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KNHB Series
Unit of Measure

Insert Type

N/A Blind End, Heavy Duty

Material

N/A 303 CRES per AMS 5640 or ASTM-A-582, or 303SE per AMS 5640, AMS 5738 or ASTM-A-582

Finish Description

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

Lube Description

N/A Dry Film Lubricant per AS5272, Type 1

Internal Thread Lock

N/A Yes

Internal Thread Size

N/A 0.5625-18 UNJF-3B

External Thread Size

N/A 0.8125-16 UN-2A

Modified Minor Diameter

N/A Yes

Shear Engagement Area (in²) Ref.

N/A 1.0247

L ±.010

N/A 1.250

A (Ref.)

N/A 0.480

Internal Thread Depth Min.

N/A 0.81

External Thread Length ±.015

N/A 0.81

C'Bore Depth ±.010

N/A 0.100

Tap Drill Diameter

N/A 0.771 / 0.765

C'Sink Diameter (+0.010/-0.000)

N/A 0.822

Thread Tap Size

N/A 0.8125-16 UN-2B

Thread Tap Min Depth

N/A 0.94

Tool Part Number

N/A THD 918L

Removal Drill Depth ±.010

N/A 0.1875

Removal Drill Size

N/A 0.7187