Stripping Spring Assemblies

For Long Spring Life, Use 75% or Less of Available Travel

CoilSpringSeries

Coil Spring Series
Catalog No. Length Outside Diameter Dimen. A – Thread Length Stripper Bolt & Stripper Plate Screw Size Hex Wrench Size for Stripper Bolt  Travel Load Lbs. Per 1/8' Deflection  Initial Load Lbs.  Max Load Lbs. Shipping Weight Each
A-150 1-1/2" 1" 0.25 1/4-20 5/32 5/16 41 125 230 4 oz.
A-200 2" 1-5/16" 0.5 3/8-24 3/16 7/16 85 250 545 9 oz.
A-250 2-1/2" 1-5/16" 0.5 3/8-24 3/16 9/16 75 230 570 10 oz.
A-300 3" 1-5/16" 0.5 3/8-24 3/16 13/16 60 200 590 11 oz.
A-400 4" 1-5/16" 0.5 3/8-24 3/16 1-1/16 40 170 510 13 oz.

The coil spring assemblies are designed for medium pressure applications in blanking, piercing and forming dies-plus many other uses. Simply, drill and tap 3/8″ – 24 location holes for each assembly. (1/4″ – 20 tap for catalog A-I 50). The assemblies can be used with or without a stripper plate if the design is suitable. A 3/8″ – 24 x 3/4″ LG. FLAT HEAD SCREW WITH LOCK WASHER IS FURNISHED FOR RETAINING A 1/4″ THICK STRIPPERPLATE. (1/4″ – 20 X 112″ SCREW FOR CAT. A-150 ONLY.)

Spare Springs
Catalog No. Description
A-151 Spring for A-150
A-201 Spring for A-200
A-251 Spring for A-250
A-301 Spring for A-300
A-401 Spring for A-400

If a stripper plate is used, caution must be used to make sure the screw does not enter the travel area as shown in the above drawing. Cap screws may be used for holding the stripper plate, however, this would require a much thicker plate to accommodate the thicker head on the screw. Some users save additional time and money by only attaching a portion of the assemblies to the stripper plate, provided the design is suitable.

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