Zygology
Zygology Ltd
Unit 7, Thame 40 Jane Morbey Road
Thame Oxon OX9 3RR
Phone: 0808 123 1221
Fax: +44 1844 266021
Email: sales@zygology.com
Web Address: www.zygology.com
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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.
Unit of Measure

Specifications

Thread Size

 .375-16 (3/8-16)

Type

 Non-Locking H

Thread Code

 0616

A (Shank) Max.

 .058 in CL_H_HN_dimension.JPG

Min. Sheet Thickness

 .058 in

Hole Size in Sheet + 0.005 - 0.000

 .500 in

C Max.

 .499 in

E ± .010

 .650 in

T1 ± .005

 .300 in
Min. Dist. Hole C/L to Edge1 .480 in

Thread Specification

 ANSI B1.1, 2B

Fastener Material

 Heat-Treated Carbon Steel

Material Finish

 Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

For Use in Sheet Hardness

 HRB 80 / HB 150 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.