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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Nuts for Sheet Metal > Nuts – Types CLA, CLS, CLSS, H, HNL, S, SS, SMPS, SP, SMPP > Nuts – Types H, HNL > Nuts – Types H, HNL - Unified > Part # HNL-0518-LZ  

Part # HNL-0518-LZ, Nuts – Types H, HNL - Unified

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  • Meets torque requirements for IFI 100/107 Grade B (unified) and ANSI B18.16.1M (metric) locknuts.
  • Type H is for use in sheet hardness HRB 80 or less on the Rockwell “B” scale.
  • Type HNL are for use in sheet hardness HRB 60 or less on the Rockwell “B” scale.




 Specifications   

Thread Size
.313-18 (5/16-18)

Type
Self-Locking HNL

Thread Code
0518

A (Shank) Max.

 View
.058 in

Min. Sheet Thickness
.058 in

Hole Size in Sheet + 0.005 - 0.000
.413 in

C Max.
.412 in

E ± .010
.575 in

T2 ± .010
.240 in

Min. Dist. Hole C/L to Edge1
.420 in

Thread Specification
IFI 100/107 Grade B

Fastener Material
Carbon Steel

Material Finish
Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless plus sealant/lubricant

For Use in Sheet Hardness
HRB 60 / HB 107 or Less

CAD Supplier
PennEngineering® (PEM®)
1 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.


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·  CL Installation



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