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3M966-12

Nut

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Description

Thread Size: 3/4", Nut Height: 1/4", Head Width: 1-1/8"

Specifications

Bearing Surface Type Chamfered
Drilled Hole Diameter 0.069 inches minimum and 0.074 inches maximum
Hardness Rating 34.0 rockwell c minimum and 38.0 rockwell c maximum
Hole Configuration Style Configuration b
Hole Type And Quantity 3 drilled
Material Steel
Material Specification Mil-s-6758 mil spec 1st material response or mil-s-5626 mil spec 2nd material response
Nut Height 0.312
Nut Style Hexagon
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416,ty 2,cl 2 fed spec single treatment response
Thread Class 3b
Thread Direction Right-hand
Thread Qty 16
Thread Qty Per Inch (tpi) 16
Thread Series UNJF
Thread Size 0.750
Width Across Flats 1.125

Cross-reference

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Catalog data updated 2026-07-05. Report a data error