Part Number 250-20UNC-3A Shoulder Screw
SKU: 530501359944625020UNC3A Shoulder Screw Datasheet
Thread Direction:
Right-hand
Thread Length:
0.438 inches
Fastener Length:
Between 1.402 inches and 1.406 inches
Head Style:
Flat chamfer
Head Diameter:
Between 0.419 inches and 0.437 inches
Head Height:
Between 0.213 inches and 0.219 inches
Shoulder Diameter:
0.308 inches first shoulder and 0.310 inches first shoulder
Shoulder Length:
0.745 inches first shoulder and 0.755 inches first shoulder
Internal Drive Style:
Hexagon
Thread Diameter:
0.250 inches
Width Across Flats:
0.156 inches
Thready Qty Per Inch (tpi):
20
Shoulder Shape:
Round first shoulder
Material Specification:
QQ-N-281 federal specification all material responses
Manufacturer Cage:
D9182
Trade Information:
- Schedule B: 7508900000
- SITC: 69975
- End Use: Finished metal shapes
- NAICS: 332999
- USDA: 1
Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
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