CL™ Self-Clinching Nuts
Material and Finish Specifications
PDF page 33 · PEM Fastener Catalogue
| Type | Threads | Fastener Materials | Standard Finishes | Optional Finish | For use in Sheet Hardness(8) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Internal ASME B1.1 2B/ASME B1.13M, 6H | Meets Torque Requirements for IFI 100/107 Grade B (unified) and ANSI B18.16.1M (metric) Locknuts | 3 Cycle Locking Performance | Hardened Carbon Steel | 300 Series Stainless Steel | Aluminum | Carbon Steel | Hardened Alloy Steel | Age Hardened A286 Stainless Steel | Passivated and/or Tested per ASTM A380 | Zinc Plated, per ASTM B633, SC1 (5µm), Type III, Colorless(4) | Zinc Plated per ASTM B633, SC1 (5µm), Type III, Colorless Plus Sealant/ Lubricant(4) | No Finish(3) | Zinc Plated per ASTM B633, SC1 (5µm), Type II, Yellow(1)(4) | HRC 30/ HB 277 or less | HRB 90/ HB 192 or less | HRB 80/ HB 150 or less | HRB 70/ HB 125 or less | HRB 60/ HB 107 or less | HRB 50/ HB 82 or less | |
| S | • | • | • | • | • | |||||||||||||||
| SS | • | • | • | • | • | |||||||||||||||
| CLS | • | • | • | • | ||||||||||||||||
| CLSS | • | • | • | • | ||||||||||||||||
| CLA | • | • | •(2) | • | ||||||||||||||||
| H | • | • | • | • | • | |||||||||||||||
| SP | • | • | • | •(6)(7) | ||||||||||||||||
| PEM RT | •(9) | • | • | • | • | |||||||||||||||
| SL | • | • | • | • | • | |||||||||||||||
| HNL | • | • | • | • | • | |||||||||||||||
| SH | • | • | •(5) | • | ||||||||||||||||
| SMPS | • | • | • | • | ||||||||||||||||
| SMPP | • | • | • | •(6)(7) | ||||||||||||||||
| Part number codes for finishes | None | ZI | LZ | X | ZC | |||||||||||||||
(1) Special order with additional charge.
(2) Part numbers for aluminum nuts have no plating suffix.
(3) Unplated threads are sized to accept a basic go gauge after .00025" / 0.0064 mm plating.
(4) See PEM® Technical Support section of our web site for related plating standards and specifications.
(5) With rust preventative oil.
(6) Panel material should be in the annealed condition.
(7) Fasteners should not be installed adjacent to bends or other highly cold-worked areas.
(8) HRB - Hardness Rockwell "B" Scale. HRC - Hardness Rockwell "C" Scale. HB - Hardness Brinell.
(9) Modified thread form on loaded flank. Will accept a maximum material 6g/2A screw.