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KNNMS Series
Unit of Measure

Stud Type

N/A Lightweight Metric

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

Nut End Thread Size

N/A M 8 x 1.0-4h

Nut End Thread Length ±0.75

N/A 13.50

Drill Option

N/A None

Stud End Thread Size

N/A M 12 x 1.25-4h

Shear Engagement Area (mm²) Ref.

N/A 266.7

L ± 0.75

N/A 12.000

Tap Drill Diameter

N/A 10.775 - 10.900

C´ Sink Diameter +0.25 -0.00

N/A 12.25

Thread Tap Size

N/A M 12 x 1.25-5h

Minimum Full Thread Tap Depth ± 0.25

N/A 13.50

Tool Part Number

N/A TNMS 8

Maximum "NL" Length Utilizing Hand Tool

N/A 63

Removal Drill Depth ± 0.25

N/A 4.75

Notes

N/A Substitute the Nut End Length (NL), in millimeter increments, for the parentheses in the part number. For example, KNNMS8x1.0MX-40-SY indicates a stud with a nut end length (NL) of 40 millimeters.

Removal Drill Size

N/A 9.5000