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KNHM Series
Unit of Measure

Insert Type

Heavy Duty - Metric

Material

Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 160 KSI Minimum Tensile Strength

Finish Description

Cadmium Plate per QQ-P-416, Type II, Class 3

Lube Description

Dry Film Lubricant per AS5272, Type 1

Internal Thread Lock

No

Internal Thread Size

M14x1.5-5H

External Thread Size

M20x1.5-4h

Shear Engagement Area (mm²) Ref.

770.5

L ±.30

20

A (Ref)

----

Tap Drill Diameter

18.880/18.725

C'Sink Diameter
+.25
-.00

20.250

Thread Tap Size

M 20x1.5-6H

Thread Tap Depth Min

22.500

Installation Tool Part Number

THM - 14

Removal Drill Depth ±.25

4.7500

Removal Drill Size

17.5000