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Updated: 06 Apr 2026

10 Best Jewelry Metal Casting Molds Cast-iron

#1 Best Pick
Nelyrho 100 oz Troy Ounce Cast Iron Loaf Bar Ingot Mold Crucible with Handle for Melting Casting Refining Precious Metals Like Gold Silver Copper Aluminum Brass etc, Black

Nelyrho 100 oz Troy Ounce Cast Iron Loaf Bar Ingot Mold Crucible with Handle for Melting Casting Refining Precious Metals Like Gold Silver Copper Aluminum Brass etc, Black

Brand: Nelyrho
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  • Specification:Casting mold holds up to 100 troy ounces of metal. Overall Dimensions: 6.26" x 2.86" x 1.94'
  • Wide Application: Great for casting, melting and refining of non-ferrous metals,such as gold, silver, copper, aluminum, brass, iron and so on, Also work as graphite crucible melting into non-ferous metals. as the ingot mold and other purpose
  • High Grade Material: Smelting mold made of premium cast iron for good thermal conductivity, sturdy, high temperature resistance
  • Efficiently Design: Metal casting mold with 4 legs, effectively insulated from the ground. The humanized handle is 3 Inches long which can increase the grip while using the ingot mold. The slight wall tapered sides and 2 convex points for easy ingot removal
  • Tips: When using the iron ingot mold for the first time. please burn it first to remove the rust prevention film on theproduct. Do not forcefully tap the ground during demolding to prevent damage to the ingot mold
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#2 Best Value
Toyvian Reusable Cast Iron Ingot Mold for Jewelry Casting, 9# 4-inch Copper and Brass Refining Mold with 10.1cm X 3cm Slot, Small Graphite Melting Tool for Silver and Metal Alloy Crafting

Toyvian Reusable Cast Iron Ingot Mold for Jewelry Casting, 9# 4-inch Copper and Brass Refining Mold with 10.1cm X 3cm Slot, Small Graphite Melting Tool for Silver and Metal Alloy Crafting

Brand: Toyvian
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  • Versatile design: this small ingot mold is designed to accommodate various jewelry styles, making it a versatile tool for any jeweler,model making mold, mold
  • Unique creations: with its unique design, this graphite refining tool enables the creation of jewelry pieces that stand out,cast iron jewelry mold,graphite refining mold
  • User friendly design: the copper melting mold offers a simple and convenient process, allowing for quick and efficient jewelry production,metal refining tool,graphite mold for aluminum
  • Robust and durable: made from durable materials, the graphite casting tool is built to withstand extensive use without losing its shape,graphite mold for casting, mold
  • Durable and : made from materials, this brass refining mold is built to withstand prolonged use without deforming,graphite casting tool,graphite mold for brass
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#3 Budget Pick
NUOBESTY Graphite Ingot Mold Metal Casting Furnace Mold High Purity Graphite for Jewelry Melting and Refining Metal Melting in DIY

NUOBESTY Graphite Ingot Mold Metal Casting Furnace Mold High Purity Graphite for Jewelry Melting and Refining Metal Melting in DIY

Brand: NUOBESTY
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  • Ingot casting mold: the melting graphite mold is widely used in glass, ceramics, textile industry.
  • Furnace metal melting: mainly used in gold, silver, copper brass and other melting alloys.
  • Ingot molds for casting metal: the graphite mold designed with creative shape slot has a wide range of and can be used for experiments and smelting of many kinds of metals.
  • Casting mold: this graphite mold has a reasonable structural design, simple and practical, and can easily help you with casting work.
  • Graphite casting ingot mold: made of well selected graphite material, graphite mold is not easy to deform or break.
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#4 Top Choice
Deecaray Black Cast Iron Flask Mold Holder 2 Pieces, Suitable for Sand Casting Metal, Jewelry and Casting Tools

Deecaray Black Cast Iron Flask Mold Holder 2 Pieces, Suitable for Sand Casting Metal, Jewelry and Casting Tools

Brand: Deecaray
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  • Black cast iron flask holders are suitable for simply replicating shapes, metal, coins, rings jewelry items and other complex shapes and casting tools. Casting tools have the advantages of low cost, fast results, and easy reproduction, making them suitable for goldsmiths, metalsmiths, and other metal craft enthusiasts.
  • This pair of flask molds are highly durable and sturdy containers made of solid cast iron. The cast iron flask mold has corresponding heat resistance, wear resistance and corrosion resistance.
  • The mold is firmly fixed to the frame by four positioning pins, which can neatly align the flask mold frame.This method allows you to virtually duplicate dimensional objects with gold, copper, bronze, or silver using this reusable clay. The mold and equipment costs are low, so the casting mold has a high cost performance.
  • Use a cast iron flask to hold the sand. For best results, seal the cast iron flask first. Molds can be made from objects composed of wood, wax, epoxy, plastic, and metal. Make sure the seal between the two halves of the cast iron flask is clean. The pattern is then placed in the sand, pressed out of the shape, and taken out, leaving a cavity in the sand into which molten metal can be poured. Take it out when it cools, wipe off the excess metal, and you're done.
  • Order now, if you have any other questions about our Deecaray products, you can communicate with us at the first time, and we will provide you with a 30-day money-back guarantee and a 12-month repairs on quality-related issues. We are always ready to provide you with support and help, you can buy with confidence.
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#5 Popular Choice
Megacast Cast Iron 2-Part Flask Mold for Delft Sand Casting Jewelry Making Tool

Megacast Cast Iron 2-Part Flask Mold for Delft Sand Casting Jewelry Making Tool

Brand: MegaCast
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  • Cast iron mold for use with sand casting clay. Allows you to easily duplicate shapes, metals, coins, jewelry pieces, and more!
  • Measures: outer 4 7/8" x 3 1/2" x 2 1/4" not including neck and inner size 4-3/8" x 3 7/8" x 2 1/4".
  • Neat and Easy Alignment: Correct alignment of flask mold frames is feasible with four locating pins which hold the frames firmly.
  • Material: This pair of Flask Mold is highly durable and robust vessel made of sturdy cast iron.
  • Allows you to cast highly detailed silver, gold, bronze, copper, and more
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#6 Top Pick
NUOBESTY Graphite Round Ingot Mold 1.77 Inch Casting Mold for Metalworking Jewelry Making with Heat Resistant Graphite Material

NUOBESTY Graphite Round Ingot Mold 1.77 Inch Casting Mold for Metalworking Jewelry Making with Heat Resistant Graphite Material

Brand: NUOBESTY
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  • Exceptional Heat Resistance: Crafted from graphite material, this graphite ingot mold withstands high temperatures, making it ideal for metal casting, smelting, and other high-heat applications requiring reliable thermal performance
  • Versatile Graphite Mold Usage: Designed for multiple purposes including graphite discs, oil troughs, evaporation dishes, and various casting molds, offering flexibility for diverse metalworking and craft projects
  • Compact Size for Convenient Storage: Measuring approximately 1.77 inches diameter by 0.39 inches height, this round graphite casting mold fits easily into workshops or storage spaces without occupying excess room
  • Superior Wear Resistance for Longevity: Constructed from durable graphite, this ingot mold maintains its shape and performance through repeated heating and abrasion, suitable for ongoing metal casting operations
  • Efficient Thermal Conductivity Enhances Casting: the graphite material distributes heat rapidly and evenly, improving melting efficiency and supporting smoother metal casting with reduced energy consumption
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#7 Top Pick
SEWOART Graphite Melting Tool and Cast Iron Ingot Mold for Jewelry and Metal Casting, 9# 4-Inch Copper and Brass Refining Mold with 10.1Cm X 3Cm Slot, Suitable for Sand Casting and

SEWOART Graphite Melting Tool and Cast Iron Ingot Mold for Jewelry and Metal Casting, 9# 4-Inch Copper and Brass Refining Mold with 10.1Cm X 3Cm Slot, Suitable for Sand Casting and

Brand: SEWOART
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  • Unique creations: with its distinctive design, the metal casting mold enables the creation of unique jewelry pieces,metal refining mold,ingot casting mold
  • Precision engineering: the aluminum refining mold is engineered with precision to ensure jewelry production, for detailed work,gold silver mold,cast iron mold
  • Multi functional: this model making mold is suitable for various types of jewelry, providing flexibility and versatility in your creations,ingot casting tool,metal casting tool
  • Easy to use: the aluminum casting mold offers a simple and convenient process, allowing for quick and efficient jewelry production,brass refining mold,Jewelry Making Mold
  • User friendly: the metal ingot mold is easy to operate, making the jewelry making process straightforward,graphite mold for aluminum,metal pouring mold
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#8 Top Pick
PTKTLAM 8-Inch Cast Iron Gold Melting Mold - Single-Piece Construction with Wood Handle, Heavy Duty Metal Casting Tool for Jewelry/Silver/Copper Smelting (8IN)

PTKTLAM 8-Inch Cast Iron Gold Melting Mold - Single-Piece Construction with Wood Handle, Heavy Duty Metal Casting Tool for Jewelry/Silver/Copper Smelting (8IN)

Brand: PTKTLAM
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  • 【Compact Safety Design】11cm ergonomic wooden handle with 45° angled grip keeps hands 8cm away from molten metal while ensuring precise pouring control
  • 【Full-Size Casting Capacity】32cm total length mold maintains 18.7x3cm main cavity - 30% larger than standard 6-inch competitors
  • 【Triple Key Customization】3 steel key bars (1.7/2.9/18.6cm) create 6-24mm adjustable ingot widths through slot combinations
  • 【Thermal Shock Resistance】0.84kg cast iron body
  • 【Complete Starter Kit】Includes 11cm handle mold + 3 key bars
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#9 Top Pick
Cast Iron 2-Part Flask Mold Frame for Sand Casting Jewelry Metal Casting Making Tool

Cast Iron 2-Part Flask Mold Frame for Sand Casting Jewelry Metal Casting Making Tool

Brand: Simond Store
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  • Jewelry Casting Molds: These metal casting molds are highly durable and sturdy, made of cast iron. Our metal casting molds have corresponding heat & are corrosion resistant, making them suitable for jewelry casting supplies & metalsmiths.
  • Ideal for Hobbyists & Professionals: Our Delft clay casting kit casting mold smelting molds cast frame are perfect for both beginners and seasoned metal casters working on DIY foundry projects, jewelry, small parts, and artistic castings.
  • Ample Scope: This casting flask cast mold is suitable for use with metals such as gold, silver, copper, & brass, etc., & our casting sand for metal mold is compatible with Petrobond, Delft Clay casting kits & casting sand for metal.
  • Precise Alignment: Our casting molds for metal have four locating pins that hold the mold casting frame firmly for the exact alignment while using as molds for metal casting and metal casting supplies.
  • Application – Our coin molds for metal casting kit allows you to simply duplicate shape, metals, coins, jewelry casting supplies, and Can be used as jewelry clay molds, casting equipment other complex shapes with ease.
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#10 Top Pick
2-Part Cast Iron Flask Mold Frame for Sand Casting Jewelry Metal Casting Making Tool

2-Part Cast Iron Flask Mold Frame for Sand Casting Jewelry Metal Casting Making Tool

Brand: besttruck
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  • Application – It allows you to simply duplicate shape, metals, coins, rings jewelry items, and other complex shapes with ease.
  • Superior Quality – This pair of highly durable and robust vessel Flask mold is made of sturdy cast iron. Fine processing, the surface is treated with black oxidation to prevent rust and increase the surface gloss to make it more beautiful and reduce the deformation caused by some internal or external forces, which is better than normal Flask Mold.
  • Ample Scope – Compatible with metals like Gold, Silver, Copper, Brass etc. Cast iron mold is use with Petro bond, Delft and Sand Casting Clay.
  • Easy to use – Designed with four locating pins which hold the frames firmly for the neatest and exact alignment.
  • Satisfaction Guarantee - Besttruck values customer shopping experience and provides customers with a good shopping environment. If you are not satisfied with the product, you can choose to return it, we support a 30-day full refund and a one-year warranty.
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