CPA | Self-Clinching

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Dimensions

Thread Thread
Code		 Screw
Length
Code		 Sheet ØC ØE P1
Min.
Thickness		 Hole
Size		 Min. Dist.
Hole Center
to Edge
4-40 440 .030 .036 .222/.219 .329 .217 .420 .030
.100 .100
.160 .160
.200 .220
6-32 632 .020 .036 .253/.250 .375 .250 .450 .020
.080 .080
.150 .150
.210 .210
8-32 832 .020 .036 .315/.312 .473 .311 .510 .020
.080 .080
.150 .150
.210 .210
10-32 1032 .020 .036 .315/.312 .473 .311 .510 .020
.080 .080
.150 .150
.210 .210
1/4-20 0420 .020 .036 .378/.375 .563 .372 .580 .020
.080 .080
.150 .150
.210 .210
P2 P3 H1 H2 K Max. Total Float
of Screw
in Ferrule		 Cross
Recess
Size		 Six-Lobe
Recess
Size		 Anvil
ØM
Cross Recess
and/or Slot
Heads		 Six-Lobe
Recess
Heads
.150 .000 .450 .330 .000 .000 .03 #1 T10 .133/.121
.220 .064
.280 .124
.340 .184
.210 .000 .630 .440 .000 .000 .03 #2 T15 .154/.142
.270 .044
.340 .114
.400 .174
.220 .000 .640 .440 .012 .050 .03 #2 T25 .181/.169
.280 .044
.350 .114
.410 .174
.220 .000 .640 .440 .000 .040 .03 #2 T25 .213/.201
.280 .044
.350 .114
.410 .174
.280 .000 .790 .530 .000 .040 .03 #2 T30 .268/.256
.340 .044
.410 .114
.470 .174

Material & Finish

Material/Finish
Code		 Retainer Spring & CPD Washer Knob Screw
Material Finish Material Finish Material Finish Material Finish
E Heat-Treated
Carbon Steel		 Zinc1 300-Series Stainless Steel Passivate3 6000-Series
Aluminum		 Natural Heat-Treated
Carbon Steel		 Zinc1
F Black
Powder Coat		 Zinc and Black
Powder Coat2
G Natural 400-Series Stainless Steel Passivate3
H Black
Powder Coat		 Passivate and Black Powder Coat4

  1. Zinc SC1 .0002″ (5 μm) min. with Type III Clear Chromate per ASTM B 633.
  2. Zinc SC1 .0002″ (5 μm) min. with Type III Clear Chromate per ASTM B 633 and black powder coat (screw head only).
  3. Passivate per ASTM A 967.
  4. Passivate per ASTM A 967 and black powder coat (screw head only).

Installation

  1. Punch or drill hole in sheet. Do not deburr edges.
  2. Insert captive screw in sheet hole and anvil as shown.
  3. Squeeze the captive screw and sheet between parallel punch and anvil surfaces. Use only enough pressure to seat the retainer shoulder flush with the sheet. Punch and anvil should be made from hardened steel.

Drives

DriveDescription
TX6 - Lobe
PHCross Recess
SLSlotted
SL-TXSlotted - 6 - Lobe
SL-PHSlotted - Cross Recess