Resin Casting Molds

Molds for Resin Casting and Pen Blank Making

Underhill Casting System, plus silicone & HDPE molds for resin casting and pen blank making.

Products: 141 of 41
Drop items here to shop
Product has been added to your cart
  • Underhill Casting Solutions - Vertical 8 - 1.5 inch casts

    Underhill Casting Solutions - Vertical 8 - 1.5 inch casts

    Underhill Casting Solutions - Vertical 8 - 1.5 inch casts.  A natural extension of the pen casting system, now you can make vertical cast larger blanks- one and a half inch diameter for bottle stoppers, handles, etc.! This is the original vertical casting system developed by John U. John has used this same system for over 10 years to make all of his famous vertical tube-in blanks and color casts. Now he has agreed to make it available to you!

    • 8 Position All Delrin Rack
    • Includes Casting Tubes & Retainers
    • See-Thru Design.
    Not rated yet
    • $59.95
  • Underhill Casting Solutions - 1.5 inch diameter bottom

    Underhill Casting Solutions - 1.5 inch diameter bottom

    Underhill Casting Solutions - Vertical 8 - 1.5 inch casts.  A natural extension of the pen casting system, now you can make vertical cast larger blanks- one and a half inch diameter for bottle stoppers, handles, etc.! 

    This is the "bottom" piece-a black cap that fits inside the 1.5 inch tubing to seal it for color casting 1.5 inch diameter tubes.

    • Tight fit on tubing for color casting convenience
    • Sold as a ten pack
    Not rated yet
    • $3.00
  • Label Cast Rolling Jig

    Label Cast Rolling Jig

    Creates and assists you with the perfect 90-degree angle to use for label cast blanks. Simply align the corner of the label in the corner of the jig and roll.

    Not rated yet
    • $5.99
  • Underhill Casting Solutions - Vertical Standard 18 Rack Only

    Underhill Casting Solutions - Vertical Standard 18 Rack Only

    Underhill Casting Solutions - Standard Vertical 18 System rack only. Now you can make vertical casts like a pro! This is the original vertical casting system rack, developed by John U. John has used this same system for over 10 years to make all of his famous vertical tube-in blanks and color casts. Now he has agreed to make it available to you! 

    • 18 Position All Delrin Rack only
    • See-Thru Design.
    Not rated yet
    • $49.95
  • Underhill Casting Solutions - Clear Tubes 1.5" diameter-5 pack

    Underhill Casting Solutions - Clear Tubes 1.5" diameter-5 pack

    Underhill Casting Solutions - Clear Resin Casting Tubes 1.5" x 12" - 5 Pack. Replacement clear casting tubes for vertical clear or color casting. These tubes can be cut to whatever size you need - just snip to size with a pair of household scissors. The one-foot length allows for flexibility. Make long handle color casts or short bottle-stopper size - whatever you need! Tubes are one-time use. After casting just turn off on the lathe, or cut and peel.

    • Size: 1.5" x 12" each
    • 5 pack
    • Easy to cut to size
    Not rated yet
    • $7.50
  • Underhill Casting Solutions - 1.5 inch diameter top

    Underhill Casting Solutions - 1.5 inch diameter top

    Underhill Casting Solutions - 1.5 inch diamete  A natural extension of the pen casting system, now you can make vertical cast larger blanks- one and a half inch diameter for bottle stoppers, handles, etc.! 

    This is the "top"  piece-a black cap that fits inside the 1.5 inch tubing to seal it for color casting 1.5 inch diameter tubes.

    • Tight fit on tubing for color casting convenience
    • Sold as a ten pack
    Not rated yet
    • $4.00
  • Underhill Casting Solutions - 7mm Series Silicone Plugs - 10 pk

    Underhill Casting Solutions - 7mm Series Silicone Plugs - 10 pk

    Underhill Casting Solutions - Replacement resin casting silicone plugs (for vertical clear casting). Fits 7mm brass tubes. Hi-Temp Silicone

    • Made from Hi-Temp silicone for durability
    • Tapers from top: .192 to .33
    • Overall length:1" prox
    Not rated yet
    • $2.65
  • DeWALT Rapid Heat Ceramic Glue Gun - Yellow

    DeWALT Rapid Heat Ceramic Glue Gun - Yellow

    This DeWALT Rapid Heat Ceramic Glue Gun is perfect for general craft use and for gluing resin molds to a base, or for forming a mold box. The rapid heat up and high capacity mean that you are never waiting for the hot glue to complete your project!

    • Ready to glue 50% faster with the efficient ceramic heating element
    • A sturdy fold-out stand and rubber base help prevent mishaps
    • The high-output design applies over 50 glue sticks per hour 
    Not rated yet
    • $23.95
  • Underhill Casting Solutions - Vertical Standard 18

    Underhill Casting Solutions - Vertical Standard 18

    Underhill Casting Solutions - Standard Vertical 18 System. Now you can make vertical casts like a pro! This is the original vertical casting system developed by John U. John has used this same system for over 10 years to make all of his famous vertical tube-in blanks and color casts. Now he has agreed to make it available to you! 

    • 18 Position All Delrin Rack
    • Includes Casting Tubes, Plugs & Retainers
    • See-Thru Design.
    Score: 3.83 (votes: 6)
    Reviews: 1
    1
    • $74.95
  • Underhill Casting Solutions - Vertical Double Deluxe 36

    Underhill Casting Solutions - Vertical Double Deluxe 36

    Underhill Casting Solutions - Vertical Deluxe 36 System. Now you can make vertical casts like a pro! This is the original vertical casting system developed by John U. John has used this same system for over 10 years to make all of his famous vertical tube-in blanks and color casts. Now he has agreed to make it available to you! 

    • 36 Position All Delrin Rack
    • Includes Casting Tubes, Plugs & Retainers
    • See-Thru Design.


    Score: 5.00 (votes: 1)
    Reviews: 1
    1
    • $129.95
  • Label Tube-In HDPE Resin Casting Mold

    Label Tube-In HDPE Resin Casting Mold

    This high quality and professionally machined HDPE label resin casting mold allows you to cast up to 4 different pen blanks at the same time. Use without the stoppers as a regular HDPE pen blank mold. Or use with the included silicone stoppers to make tube in clear cast blanks. Stoppers are tapered and will accommodate a wide range of kits, Gone are the days that you will meed a mold for every model of pen kit!

    Score: 3.61 (votes: 18)
    Reviews: 2
    2
    • $49.99
  • Lizard Blanks Resin Casting Mold - 1 x 2 x 6  Double Pen Blank

    Lizard Blanks Resin Casting Mold - 1 x 2 x 6 Double Pen Blank

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This pen blank mold will create 2 equal 1" pen blanks that are 6" in length, 1 knife scale or 1 project blanks.

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $33.00
  • Lizard Blanks Resin Casting Mold - 1 x 1 x 6  Oversize Pen Blank

    Lizard Blanks Resin Casting Mold - 1 x 1 x 6 Oversize Pen Blank

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This pen brick mold will create 1 x 1" pen blanks that are 6" in length.

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $26.00
  • Lizard Blanks Resin Casting Mold - 2 x 2 x 6 Knife Block

    Lizard Blanks Resin Casting Mold - 2 x 2 x 6 Knife Block

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This 2 x 2 x 6 mold will create a knife blank or project blank.

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $39.00
  • Lizard Blanks Resin Casting Mold - 2 x 2 x 3 Bottle Stopper Blank

    Lizard Blanks Resin Casting Mold - 2 x 2 x 3 Bottle Stopper Blank

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This 2 x 2 x 3 mold will create a Bottle Stopper Blank or Mini Egg.

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $29.00
  • Lizard Blanks Resin Casting Mold - 1 x 3 x 3 Coaster Mold

    Lizard Blanks Resin Casting Mold - 1 x 3 x 3 Coaster Mold

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This 1 x 3 x 3 mold will create a great coaster.

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $26.00
  • Lizard Blanks Resin Casting Mold - 4 x 4 x 4 Hybrid Sphere Mold

    Lizard Blanks Resin Casting Mold - 4 x 4 x 4 Hybrid Sphere Mold

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This 4 x 4 x 4 Resin Casting Mold will create a Hybrid Sphere or cut for smaller projects

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $67.00
  • Lizard Blanks Resin Casting Mold - 1 x 4 x 4 Coaster Mold

    Lizard Blanks Resin Casting Mold - 1 x 4 x 4 Coaster Mold

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This 1 x 4 x 4 mold will create a great coaster.

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $36.00
  • Lizard Blanks Resin Casting Mold - 1 x 1 x 4 Mini Pen Blank

    Lizard Blanks Resin Casting Mold - 1 x 1 x 4 Mini Pen Blank

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool free removal. This 1 x 1 x 4 Resin Casting Mold will create a Mini Pen Blank or Handle

    • Superior resin casting molds made from UHMW plastic
    • Wing nut design allows easy "no drill" removal of castings
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $23.00
  • Lizard Blanks Resin Casting Mold - 1.5 x 1.5 x .75 Double Hybrid Ring Mold

    Lizard Blanks Resin Casting Mold - 1.5 x 1.5 x .75 Double Hybrid Ring Mold

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool-free removal. This Resin Casting Mold will create 2 Ring Blanks that are 1.5 x 1.5 x .75 

    • Superior resin casting molds made from solid 1" UHMW plastic
    • Use tape to seal the bottom hole, just tap to release the casting.
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $33.00
  • Lizard Blanks Resin Casting Mold - 1.5 x 1.5 x .75 Quad Hybrid Ring Mold

    Lizard Blanks Resin Casting Mold - 1.5 x 1.5 x .75 Quad Hybrid Ring Mold

    Lizard Blanks Resin Casting Molds are constructed from premium UHMW, which offers high wear resistance and easy tool-free removal. Creates 4 -  1.5 x 1.5 x .75 blanks

    • Superior resin casting molds made from solid 1" UHMW plastic
    • Use tape to seal the bottom hole, just tap to release the casting.
    • Unique design creates strength and ensures a long working life
    Not rated yet
    • $49.00
  • Turkey Pot Call Silicone Casting Mold

    Turkey Pot Call Silicone Casting Mold

    This turkey pot call mold is made from the highest quality silicone available. For use with alumilite, epoxy and polyester resins.

    Measurements of this pot call mold are 4.25”diameter x 1 3/8” tall. 

    Not rated yet
    • $61.99
  • Core In Silicone Ring Blank Mold - Size 14-17

    Core In Silicone Ring Blank Mold - Size 14-17

    Use this high-quality and durable silicone mold to make core-in ring blanks. Extra thick walls and base ensure minimal to no flexion. These Ring blank molds allow you to make a ring with resin to fit any of the stainless Steel Ring cores. 

    Full Sizes 14-17

    For use with alumilite, epoxy, and polyester resins. 

    Not rated yet
    • $32.99
  • Core In Silicone Ring Blank Mold - Size 10-13

    Core In Silicone Ring Blank Mold - Size 10-13

    Use this high-quality and durable silicone mold to make core-in ring blanks. Extra thick walls and base ensure minimal to no flexion. These Ring blank molds allow you to make a ring with resin to fit any of the stainless Steel Ring cores. 

    Full Sizes 10-13

    For use with alumilite, epoxy, and polyester resins. 

    Not rated yet
    • $32.99
  • 4 Bottle Stopper Blank Mold

    4 Bottle Stopper Blank Mold

    Use this high quality and durable silicone mold to make individual bottle stopper blanks. Extra thick walls and and bottom will ensure that this mold will last you a long time. Unique suggested fill line indicator prevents overfilling and resin spillage when transporting the mold into a pressure pot.Yields 4 bottle stopper blanks measuring 1.5”diameter x 3”H.

    For use with alumilite, epoxy and polyester resins.

    Not rated yet
    • $49.99
  • 4 Blank Horizontal Silicone Block Mold

    4 Blank Horizontal Silicone Block Mold

    Use this high quality and durable silicone mold to make individual pen blanks, hybrids and more. Extra thick walls and base ensure minimal to no flexion. Unique suggested fill line indicator prevents overfilling and resin spillage when transporting the mold into a pressure pot.

    For use with alumilite, epoxy and polyester resins. 

    Not rated yet
    • $49.99
  • Replacement Stoppers For The Label Casting Mold - Set of 8

    Replacement Stoppers For The Label Casting Mold - Set of 8

    A full set of 8 silicone replacement stoppers for the label cast mold.

    Not rated yet
    • $20.99
  • Underhill Casting Solutions - Delrin Bottom Plugs - 18 pk

    Underhill Casting Solutions - Delrin Bottom Plugs - 18 pk

    Underhill Casting Solutions - Replacement resin casting bottom end plugs (for vertical clear casting). Delrin.

    • Made from nonstick delrin
    • Many uses per plug
    • 18 pack
    Score: 5.00 (votes: 1)
    Reviews: 1
    1
    • $9.00
  • Underhill Casting Solutions - Jr Series Upper Silicone Plugs - 10 pk

    Underhill Casting Solutions - Jr Series Upper Silicone Plugs - 10 pk

    Underhill Casting Solutions - Replacement resin casting silicone plugs (for vertical clear casting). Fits the Jr II Series caps brass tubes. Hi-Temp Silicone

    • Made from Hi-Temp silicone for durability
    • Fits Jr II Series Cap (among others) 
    • 10 pack
    Not rated yet
    • $2.95
  • Underhill Casting Solutions - Sierra Series Silicone Plugs - 10 pk

    Underhill Casting Solutions - Sierra Series Silicone Plugs - 10 pk

    Underhill Casting Solutions - Replacement resin casting silicone plugs (for vertical clear casting). Fits the Sierra and Jr II Series Lower brass tubes. Hi-Temp Silicone

    • Made from Hi-Temp silicone for durability
    • Fits the Sierra & Jr II Series Bottom tubes (among others) 
    • 10 pack
    • Tapers from top: .49" to bottom:.32"
    • Overall length:1" prox
    Not rated yet
    • $2.65
  • Underhill Casting Solutions - Bolt Action Silicone Plugs - 10 pk

    Underhill Casting Solutions - Bolt Action Silicone Plugs - 10 pk

    Underhill Casting Solutions - Replacement resin casting silicone plugs (for vertical clear casting). Fits the PSI Bolt Action, Aero, and others with 3/8" brass tubes. Hi-Temp Silicone

    • Made from Hi-Temp silicone for durability
    • Fits the PSI Bolt Action ( And other pen kits with 3/8" tubes) 
    • 10 pack
    • Diameter at top: .43", tapers to bottom: .25"
    • Height: 1"
    Not rated yet
    • $2.65
  • Underhill Casting Solutions - 7/8" Black Tube End Caps - 20 Pk

    Underhill Casting Solutions - 7/8" Black Tube End Caps - 20 Pk

    Underhill Casting Solutions - Black Tube End Caps - 20 Pk. Replacement resin casting black end plugs (for vertical color casting). Use these to seal the tube ends when color casting. Easy to pop on and off, many uses per cap.

    • Easy to use! Pops on and off.
    • 20 pack. Fits 7/8" clear casting tubes
    • Many uses per plug.
    Not rated yet
    • $2.00
  • Underhill Casting Solutions - Clear Casting Tubes 7/8" x 12" - 10 Pack

    Underhill Casting Solutions - Clear Casting Tubes 7/8" x 12" - 10 Pack

    Underhill Casting Solutions - Clear Resin Casting Tubes 7/8" x 12" - 10 Pack. Replacement clear casting tubes for vertical clear or color casting. These tubes are a breeze cut to whatever size you need - just snip to size with a pair of household scissors. The one-foot length allows for flexibility. Make long kitless color casts or sierra size tube-in clear casts - whatever you need! Tubes are one-time use. After casting just turn off on the lathe, or cut and peel.

    • Size: 7/8" x 12" each
    • 10 pack
    • Easy to cut to size
    Not rated yet
    • $5.95
  • Underhill Casting Solutions - Clear Casting Tubes 7/8" x 12" - 20 Pack

    Underhill Casting Solutions - Clear Casting Tubes 7/8" x 12" - 20 Pack

    Underhill Casting Solutions - Clear Resin Casting Tubes 7/8" x 12" - 20 Pack. Replacement clear casting tubes for vertical clear or color casting. These tubes are a breeze cut to whatever size you need - just snip to size with a pair of household scissors. The one-foot length allows for flexibility. Make long kitless color casts or sierra size tube-in clear casts - whatever you need! Tubes are one-time use. After casting just turn off on the lathe, or cut and peel.

    • Size: 7/8" x 12" each
    • 20 pack
    • Easy to cut to size
    Not rated yet
    • $11.95
  • Underhill Casting Solutions - Clear Casting Tubes 7/8" x 12" - 50 Pack

    Underhill Casting Solutions - Clear Casting Tubes 7/8" x 12" - 50 Pack

    Underhill Casting Solutions - Clear Resin Casting Tubes 7/8" x 12" - 50 Pack. Replacement clear casting tubes for vertical clear or color casting. These tubes are a breeze cut to whatever size you need - just snip to size with a pair of household scissors. The one-foot length allows for flexibility. Make long kitless color casts or sierra size tube-in clear casts - whatever you need! Tubes are one-time use. After casting just turn off on the lathe, or cut and peel.

    • Size: 7/8" x 12" each
    • 50 pack
    • Easy to cut to size
    Not rated yet
    • $24.95
  • Underhill Casting Solutions - Measuring Cup

    Underhill Casting Solutions - Measuring Cup

    Underhill Casting Solutions - Measuring Cup. This sturdy plastic measuring cup has a handle and a spout which is ideal for filling the clear casting tubes while in the rack. Will not bend or deform with the weight of the resin. Afterward, any remains of cured Alumilite will simply peel right out, and you will be ready for the next use.

    • Size: 4 cups 
    • Heavy-duty, with spout and handle.
    • Cured Alumilite will peel right out. 
    Not rated yet
    • $3.45
  • Underhill Casting Solutions - Retaining Wires - 20 pk

    Underhill Casting Solutions - Retaining Wires - 20 pk

    Underhill Casting Solutions - Replacement retaining wires (for vertical clear casting). Fits the 7/8" clear casting tubes.

    • For centering the clear cast. Reusable
    • Fits the 7/8" clear casting tubes.
    • 20 pack
    Not rated yet
    • $9.95
  • Stoner Thermoset Mold Release (For Polyester and Epoxy Resins) - 12 oz

    Stoner Thermoset Mold Release (For Polyester and Epoxy Resins) - 12 oz

    Stoner E497 Thermoset Carnauba based Mold Release is specially formulated as release agent molded thermoset plastics such as polyester and epoxy resins. E497 provides a long-lasting anti-stick film for fast, easy part removal from molds and multiple part releases per application.

    • Saves time - lets blanks release quickly and easily from molds.
    • Improves blank appearance and reduces defects caused by sticking.
    • Colorless and non-staining.


    Not rated yet
    • $14.95
  • Stoner Urethane Mold Release (For Alumilite Resins)  - 12 oz
    • 20% less

    Stoner Urethane Mold Release (For Alumilite Resins) - 12 oz

    Stoner E236 Urethane Mold Release is specially formulated as a release agent and anti-stick lubricant for molded urethane resins. A light coating produces best results. E236 Mold Release provides fast, easy part removal from molds and multiple part releases per application. 

    • Saves time – lets you remove urethane parts from molds quickly and easily.
    • Economical – a light coating produces best results.
    • Improves part appearance and reduces defects caused by sticking.
    Not rated yet
    • $11.95
  • Stoner Rocket Release Mold Release

    Stoner Rocket Release Mold Release

    Stoner E302 Rocket Release is a highly versatile release agent generally acceptable for applications where a food-grade release is required.  In many applications, Rocket Release is considered the “most paintable” release agent available when molding plastics and similar materials.

    • Saves time - lets blanks release quickly and easily from molds.
    • No residue. Is a paintable & food-grade release.
    • Economical – a light coating produces the best results.


    Not rated yet
    • $9.95
  • Stoner Zero Stick Mold Release

    Stoner Zero Stick Mold Release

    Stoner E342 Zero Stick Paintable Mold Release, is a unique, extremely versatile release agent which is generally acceptable for applications where a food grade release is required. Zero Stick allows molded parts to be painted, plated, hot stamped, adhesive bonded, labeled, or otherwise decorated in most applications

    • Saves time - lets blanks release quickly and easily from molds.
    • No residue. Is a paintable & food grade release.
    • Economical – a light coating produces best results.


    Not rated yet
    • $14.95