Contact Us Today ūüďĪ +1-757-516-7358 ūüďß

6 mm Pellet Press Die Set
6 mm Pellet Press Die Set
6 mm Pellet Press Die Set
6 mm Pellet Press Die Set
Die sleeve inner diameter
6 mm (0.24 inch)
Die sleeve outer diameter
45 mm (1.77 inches)
Typical force for quality pellets
220-660 lb (0.01-0.3 ton 1-3.2 kN)
40mm height
75mm height
Die sleeve height 40 mm (1.96 inches)
75mm (3.54 inches)
Assembled height with spacers (w/o powder)* 89 mm (3.5 inches)
129 mm (5.1 inches)
Assembled height no spacers (w/o powder)* 73 mm (2.9 inches)
109 mm (4.3 inches)
Typical Max pellet length**
15 mm (0.6 inch) 35mm (1.4 inch)
D2 Tool Steel Stainless Steel
Yield Strength Hardened Steel 80,000 psi (550 MPa)

160,000 psi (1100 MPa)

Recommended max loading (@ 50%) 40,000 psi (275 MPa) 80,000 psi (550 MPa)
Recommended max force
1755 lb (0.88 ton, 7800 N)
3510 lb (1.76 tons, 15.6 kN)
Typical force for quality pellets
220-660 lb (0.01-0.3 ton 1-3.2 kN)

*If making thicker pellets, the die set can operate just the same without spacers.

**Pending on the material you are pressing with and the method of loading the die set.

6 mm Pellet Press Die Set

Pellet Press Die Sets
Regular price
Sale price

Pellet Die set for making 6 mm (~1/4 inch) pellets from powders. 

With your die set order we’ll include:

  • Die sleeve
  • Plunger rod
  • 2 x spacers
  • Base plate
  • Aluminium release ring¬†with¬†cutout for viewing pellet during release¬†

Shipping: Free fast shipping across USA and Canada 

Material: hardened D2 tool steel (Rockwell hardness >C60) polished to a high tolerance fit.

  • Worldwide shipping, Free to North America

  • Precision Made, Individually Inspected

  • High Strength Heat Treated Steel

6 mm Pellets Dies have a range of applications. The 6mm (1/4 inch) Pellet Dies require a relatively small amount of material to make a pellet compared to the larger diameter dies. 6 mm (1/4 inch) pellet dies are also commonly used for making KBr pellets for FTIR analysis, in which small quantities of powders are mixed with Infrared-transparent KBr (Potassium Bromide) powder before pressing into a pellet and transferring into the FTIR.

6 mm die sets require relatively small loads to apply huge stresses so always make sure you stay safe and stay below the max loading force of the pellet die set. Higher compressive stresses to not necessarily make better pellets. With the application of a few tons you can reach 100 000 psi within the die. Whilst dies steels are chosen for tolerating high stresses and pellet dies are heat teated fro superior properties, you can easily exceed even these high yield strengths with a hydraulic press with a few pumps of the handle. The diameter is small enough that pressing force can be applied manually with a lever press or arbor press. Take is easy and make sure students and interns are aware of the same!

The 6mm die set comes in two material options - 

D2 Tool Steel. For most pellets our standard die sets will be perfect for the job. It is made of hardened tool steel (Rockwell hardness >C60) for long lasting trouble free performance. Sleeve is polished to high tolerances to allow the hardened tool steel plunger to slide through perfectly. Plunger and spacers are made from high yield strength steel, machined and polished to high tolerance for the perfect fit. Interior surfaces are ground to mirror-like finish.

Stainless Steel.¬†For a die set with great corrosion resistance and with for those heating their dies up to max 250¬įC (482¬įF), this is a great choice. Stainless steel is a more expensive starting material and is is slower to machine which leads to than a slightly higher costs than our regular die sets. Our stainless die sets are heat treated for high hardness (~C58) and have extremely high strength (120,000 psi).¬†

For an animation of die assembly, powder pressing and release click here.


  • Always wear googles and safety protection equipment
  • Clean well after use to prevent rusting.
  • Do not apply pressure beyond shown on table.
  • See our tips for making perfect pellets here.