Pressure Die Holders

WILCO Pressure Die Holders are one of the most simple yet effective means for increasing lubrication during the wire drawing process. The WILCO pressure die approach is based on the familiar double-die concept using standard off the shelf wire drawing dies from your existing stock. The pressure die is just slightly larger in size than the incoming rod or wire (technical information about pressure die sizing is listed below) which allows the rod or wire to enter the pressure die holder with a good coating of lubricant on the material surface. The material inertia and close pressure die clearance means lubricant is constantly being drawn into the PDH faster than would normally be pulled through the reducing die.The Benefit… There is high internal pressure generated within the PDH. This pressure forces lubricant onto the material surface and through the reducing die.


Five (5) standard models to choose from for R-2, R-5, R-6, (metric) MR-6 for 43mm x 27mm casings and R-10 wire drawing dies. Special R-12 pressure die holder also available.

Whether processing low carbon, high carbon steel rod or alloys, your operation will benefit from the additional lubricant film applied. WILCO Pressure Die Holders are for use in each and every die box and are especially recommended for use in drawing mechanically descaled wire rod where there is no carrier coating present. The combination of WILCO Mechanical Descaling Equipment with WILCO Lubricant Applicators and WILCO Pressure Die Holders provides a true "systems" approach important to a successful mechanical descaling operation. Simple installation using standard WILCO holding sleeves or water cooled receptacles

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Straight Sleeve
This method is required if the die block is more narrow than the overall length of the Pressure Die Holder itself. The Straight Holding Sleeve provides the required full support and may be installed with minimum modification to the die box.
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Bolt On
WILCO Water Cooled Receptacles are designed to draw the heat away from the Pressure Die Holder and are an effective means for establishing consistency in the wire drawing operation.
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Direct Fit
This method may be used if the die block is as thick or thicker than the overall length of Pressure Die Holder. The Die Block is machined to matched the outside taper of the pressure die holder.
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Indirect Cool
WILCO Water Cooled Receptacles are designed to draw the heat away from the Pressure Die Holder and are an effective means for establishing consistency in the wire drawing operation.
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Pressure Die Selection

Select your incoming rod or wire size and add the corresponding amount to the pressure die. Pressure die clearance regulates pressure generated with more clearance leading to lower pressure.

Selecting Pressure Dies for ROD :

Rod Size (inch/mm)Add for Pressure Die Size ("/mm)
.218 thru .266 (5.5 - 6.7).027" (.69)
.267 thru .375 (6.8 - 9.5).037" (.94)
.376 thru .500 (9.6 - 12.7).050" (1.27)
.501 thru .688 (12.8 - 17.5).070" (1.78)
.689 thru .938 (17.6 - 23.8).095" (2.41)

Selecting Pressure Dies for WIRE :

Rod Size (inch/mm)Add for Pressure Die Size ("/mm)
.030 thru .062 (5.5 - 6.7).002" (.51)
.063 thru .112 (1.58 - 2.84).004" (.102)
.113 thru .192 (2.85 - 4.88).008" (.203)
.193 thru .320 (4.89 - 8.13).014" (.356)
.321 thru .520 (8.14 - 13.21).022" (.559)
.521 thru .678 (13.22 - 17.22).022" (.559)

Water Cooled Pressure Die Holders

WILCO Water Cooled Receptacles are designed to draw heat away from the Pressure Die Holder and are an effective means for establishing consistency in the wire drawing operation. Water circulated around or through the Receptacle will lower and maintain a uniform temperature, important for consistent drawing operation especially when processing alloy or high carbon material. A variety of universal, standard Receptacles are stocked along with more specialized, brand specific Receptacles. Custom Receptacles for your wire drawing machine may be designed by Wire Lab Company as well. Current WILCO Water Cooled Receptacle designs are rectangular slip fit, round threaded, round weld-on, bolt-on and direct replacement screw in.

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A926
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Bolt On WCR
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Hereborn WCR
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Hi Draw WCR
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PRB
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BENEFIT: Draw Heat from the die pressure holder for consistency in wire drawling.