#4-40 316 / A4 Marine-Grade Stainless Steel Hex Socket Head Cap Screws — Fully Threaded
SKU: FN-SS-SHCS-440-316-FULLTHD· 5 lengths
Bulk-Only Item
Minimum order quantity: 1,000 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 →
$0.03/ea
1 pack × 1,000 = 1,000 pieces
#4-40 316 / A4 marine-grade stainless steel hex socket head cap screws (Allen head), fully threaded, ASME B18.3. 316 stainless adds molybdenum for markedly better resistance to salt water, chlorides and pitting than 18-8 / A2 — the right choice for marine, coastal, pool and chemical service. 3/32" hex socket drive with a cylindrical cap head. Fully Threaded across all lengths in this listing (1/4" to 7/8"). These lengths are threaded the full length of the shank. Sold in production-volume bulk packs.
Material
Stainless Steel
Finish
Plain / Natural
Grade
316 (A4-70)
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
Order any length — 5 in this family
Type the packs you need and press Add; sort any column.
| Head Dia. | Head Ht. | Threading | Drive | Packs | |||||
|---|---|---|---|---|---|---|---|---|---|
| 316 Stainless Steel | |||||||||
| #4-40316 / A4 Marine-Grade Stainless Steel Hex Socket Head Cap Screws — Fully Threaded | |||||||||
| 1/4" | 0.226 in | 0.112 in | Fully threaded | Hex Socket | 1,000 | FN-SS-SHCS-440-0.25-SS316-CS-FT-HEX-PL | Out of stock | — | |
| 3/8" | 0.226 in | 0.112 in | Fully threaded | Hex Socket | 1,000 | FN-SS-SHCS-440-0.375-SS316-CS-FT-HEX-PL | $31.44$0.03/eapack of 1,000 · $0.03 ea | ||
| 1/2" | 0.226 in | 0.112 in | Fully threaded | Hex Socket | 1,000 | FN-SS-SHCS-440-0.5-SS316-CS-FT-HEX-PL | $42.84$0.04/eapack of 1,000 · $0.04 ea | ||
| 5/8" | 0.226 in | 0.112 in | Fully threaded | Hex Socket | 1,000 | FN-SS-SHCS-440-0.625-SS316-CS-FT-HEX-PL | $30.88$0.03/eapack of 1,000 · $0.03 ea | ||
| 7/8" | 0.226 in | 0.112 in | Fully threaded | Hex Socket | 1,000 | FN-SS-SHCS-440-0.875-SS316-CS-FT-HEX-PL | $55.34$0.06/eapack of 1,000 · $0.06 ea | ||
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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