PEMPEM Fastener Catalogue
CL™ Self-Clinching Nuts

Installation – S™/SL™/SMPS™/SS™/CLS™/CLSS™/CLA™/S-RT™/H™/HNL™ Nuts

PDF page 34 · PEM Fastener Catalogue

  1. Prepare properly sized mounting hole in sheet. Do not perform any secondary operations such as deburring.
  2. Place fastener into the anvil hole and place the mounting hole (preferably the punch side) over the shank of the fastener as shown in diagram to the right.
  3. With installation punch and anvil surfaces parallel, apply squeezing force until the head of the nut comes into contact with the sheet material.

Installation drawing callouts:

  • Counterbore anvil – Thread Sizes #2-56 to 5/16 and M2 to M8. Punch; Anvil; A; P.
  • Protrusion anvil(1) – CLS/S/SL/S-RT Thread Sizes 3/8, 7/16, 1/2, M10 and M12; H/HNL Thread Sizes 5/16, 3/8, M8 and M10. Punch; Anvil; A; P; 45˚ x .050"/ 1.27 mm Max.; R .015" / 0.381 mm Max.

PEMSERTER® Installation Tooling

CLS™/CLSS™/S™/SS™/PEM RT® Nuts

Unified

Thread CodeAnvil Dimensions (in.)Anvil Part NumberPunch Part Number
A ±.002P ±.005
256/440/RT440.267.045975200034975200048
632/RT632.298.045975200035975200048
832/RT832.330.070975200036975200048
024/032/RT032.361.070975200037975200048
1224.415.080975200786300975200048
0420/RT0420.454.150975200038975200048
0518/RT0518.517.200975200039975200048
0616.280.250975200045(1)975200048
0720.338.2958020361(1)975200901400
0813.375.345975200900300(1)975200901400

Metric

Thread CodeAnvil Dimensions (mm)Anvil Part NumberPunch Part Number
A ±0.05P ±0.13
M2/M3/RTM36.781.14975200034975200048
M3.57.571.14975200035975200048
M4/RTM48.381.78975200036975200048
M5/RTM59.171.78975200037975200048
M6/RTM611.533.81975200038975200048
M8/RTM813.085.08975200039975200048
M107.626.358005682(1)975200901400
M129.538.76975200900300(1)975200901400

SL™ Nuts

Unified

Thread CodeAnvil Dimensions (in.)Anvil Part NumberPunch Part Number
A ±.002P ±.005
440.267.045975200034975200048
632.298.045975200035975200048
832.330.070975200036975200048
032.361.070975200037975200048
0420.454.150975200038975200048
0518.515.200975200039975200048

Metric

Thread CodeAnvil Dimensions (mm)Anvil Part NumberPunch Part Number
A ±0.05P ±0.13
M36.781.14975200034975200048
M3.57.571.14975200035975200048
M48.381.78975200036975200048
M59.171.78975200037975200048
M611.533.81975200038975200048
M813.085.08975200039975200048
M107.626.358005682(1)975200901400

CLA™ Nuts

Unified

Thread CodeAnvil Dimensions (in.)Anvil Part NumberPunch Part Number
A ±.002P ±.005
256/440.267.045975200034975200048
632.298.045975200035975200048
832.330.070975200036975200048
024/032.392.140975200782300975200048
0420.454.150975200038975200048

Metric

Thread CodeAnvil Dimensions (mm)Anvil Part NumberPunch Part Number
A ±0.05P ±0.13
M36.781.14975200034975200048
M3.57.571.14975200035975200048
M48.381.78975200036975200048
M59.963.56975200782300975200048
M611.533.81975200038975200048

SMPS™ Nuts

Unified

Thread CodeAnvil Dimensions (in.)Anvil Part NumberPunch Part Number
A ±.002P ±.005
256/440.236.045975200904300975200048
632.267.045975200034975200048

Metric

Thread CodeAnvil Dimensions (mm)Anvil Part NumberPunch Part Number
A ±0.05P ±0.13
M2.5/M35.991.14975200904300975200048
M3.56.781.14975200034975200048

H™/HNL™ Nuts

Unified

Thread CodeAnvil Dimensions (in.)Anvil Part NumberPunch Part Number
A ±.002P ±.005
0420.517.200975200039975200048
0518.220.250975200783300(1)975200048
0616.280.250975201240(1)8003076

Metric

Thread CodeAnvil Dimensions (mm)Anvil Part NumberPunch Part Number
A ±0.05P ±0.13
M613.135.08975200039975200048
M85.596.35975200783300(1)975200048
M107.626.358005682(1)8003076

(1) Large nut anvils use protrusion to locate part instead of counterbore.

Material and Finish Specifications

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PEMSERTER® Installation ToolingCLS™/CLSS™/S™/SS™/PEM RT® NutsSL™ NutsCLA™ NutsSMPS™ NutsH™/HNL™ Nuts