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Quarter Turn Screws

by Tony Losey — last modified 2009-09-01 14:33
Quarter Turn Screws Quarter Turn Screws
  • All Screws are Black Oxide Finish
Part No. A B C D Head Thickness
Soft Hardened
SQ-190 SQ-190H 10-32 1 1/2 1/2 3/16
SQ-250 SQ-250H 1/4-20 1 1/4 5/8 3/4 1/4
SQ-312 SQ-312H 5/16-18 1 1/2 3/4 1 5/16
SQ-313 SQ-313H 5/16-18 2 3/4 1 5/16
SQ-375 SQ-375H 3/8-16 1 1/2 1 1 3/8
SQ-376 SQ-376H 3/8-16 2 1 1 3/8
SQ-500 SQ-500H 1/2-13 1 3/4 1 1 1/4 1/2
  
Shoulder Screws
Shoulder Screws Shoulder Screws
  • Alloy steel heat treated, Tensile Strength 140,000 P.S.I
  • Precision ground to close tolerances
  • Black Oxide finish
Status Part No. Body Thread Head
A B C D E F
  SS-251 1/4 1/4 10-24 3/8 3/8 3/16
  SS-252 5/16
  SS-253 3/8
obsolete SS-254 1/2
  SS-255 5/8
  SS-256 3/4
  SS-311 5/16 1/4 1/4-20 7/16 7/16 7/32
  SS-312 5/16
  SS-313 3/8
  SS-314 1/2
  SS-315 5/8
  SS-316 3/4
  SS-371 3/8 1/4 5/16-18 1/2 9/16 1/4
  SS-372 5/16
  SS-373 3/8
obsolete SS-374 1/2
  SS-375 5/8
  SS-376 3/4
  
Status Part No. Body Thread Head
A B C D E F
  SS-503 1/2 3/8 3/8-16 5/8 3/4 5/16
  SS-504 1/2
  SS-505 5/8
obsolete SS-506 3/4
obsolete SS-507 7/8
obsolete SS-508 1
  SS-624 5/8 1/2 1/2-13 3/4 7/8 3/8
  SS-625 5/8
  SS-626 3/4
  SS-627 7/8
  SS-628 1
  SS-754 3/4 1/2 5/8-11 7/8 1 1/2
  SS-755 5/8
  SS-756 3/4
  SS-757 7/8
  SS-758 1