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Fastenio — Precision Fastening Solutions
#4-40 18-8 Stainless Steel Hex Socket Head Cap Screws — Partially Threaded

#4-40 18-8 Stainless Steel Hex Socket Head Cap Screws — Partially Threaded

SKU: FN-SS-SHCS-440-PARTTHD· 3 lengths

Bulk-Only Item

Minimum order quantity: 500 pieces per pack. Ships 7 business days after your cart reaches the $500 bulk minimum — bulk-only and regularly-stocked items both count. Learn more →

$20.81/ 500 pcs

$0.04/ea

pack

1 pack × 500 = 500 pieces

In Stock
FN-SS-SHCS-440-1.25-SS18-CS-PT-HEX-PL
Free US shipping 30-day returns Ships ~7 business days

#4-40 18-8 stainless steel hex socket head cap screws (Allen head), partially threaded, ASME B18.3. Corrosion-resistant 18-8 (A2-70) stainless with a 3/32" hex socket drive and cylindrical cap head. Partially Threaded across all lengths in this listing (7/8" to 1-1/2"). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

18-8 (A2-70)

Size

#4-40

Drive Type

Hex Socket

Head Style

socket

Standard

ASME B18.3

Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades

Technical Specifications

Drive3/32" Hex Socket
Thread CoveragePartially Threaded
Head Diameter0.183 in
Thread4-40 Coarse