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KNHB Series
Unit of Measure

Insert Type

N/A Blind End, Heavy Duty

Material

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

Finish Description

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

Lube Description

N/A None

Internal Thread Lock

N/A No

Internal Thread Size

N/A 0.8750-14 UNJF-3B

External Thread Size

N/A 1.2500-12 UNF-2A

Modified Minor Diameter

N/A Yes

Shear Engagement Area (in²) Ref.

N/A 3.4747

L ±.010

N/A 1.940

A (Ref.)

N/A 0.690

Internal Thread Depth Min.

N/A 1.37

External Thread Length ±.015

N/A 1.37

C'Bore Depth ±.010

N/A 0.100

Tap Drill Diameter

N/A 1.192 / 1.186

C'Sink Diameter (+0.010/-0.000)

N/A 1.270

Thread Tap Size

N/A 1.2500-12 UNF-2B

Thread Tap Min Depth

N/A 1.56

Tool Part Number

N/A THD 1414L

Removal Drill Depth ±.010

N/A 0.3125

Removal Drill Size

N/A 1.0937