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NAS1101-4-14

Fillister Head Machine Screw

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Description

Fillister Head Machine Screw

Specifications

Country of Origin USA
Fastener Length Between 0.844 inches and 0.875 inches
Hardness Rating Between 36.0 rockwell c and 40.0 rockwell c
Head Diameter Between 0.367 inches and 0.375 inches
Head Height Between 0.133 inches and 0.150 inches
Head Style Flat chamfer
Internal Drive Style Torque set
Length 7/8
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Screw Material Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Cl2 federal specification single treatment response ty2 qq-p-416
Sold In Per Package
Specification Data 80205-nas1101 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length Between 0.773 inches and 0.875 inches
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius)
Thread Size 1/4
Weight .005 lb

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

No interchangeable or dimensionally similar parts are on record for NAS1101-4-14. Try the cross-reference lookup to search by a different part number.

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