1/4-20 316 / A4 Marine-Grade Stainless Steel Hex Socket Head Cap Screws — Partially Threaded
SKU: FN-SS-SHCS-1420-316-PARTTHD· 6 lengths
Bulk-Only Item
Minimum order quantity: 50 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 →
$0.46/ea
1 pack × 50 = 50 pieces
1/4-20 316 / A4 marine-grade stainless steel hex socket head cap screws (Allen head), partially 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. 3/16" hex socket drive with a cylindrical cap head. Partially Threaded across all lengths in this listing (1-1/2" to 3"). Longer lengths carry an unthreaded shank below the head per ASME B18.3. Sold in production-volume bulk packs.
Material
Stainless Steel
Finish
Plain / Natural
Grade
316 (A4-70)
Size
1/4-20
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 — 6 in this family
Type the packs you need and press Add; sort any column.
| Head Dia. | Head Ht. | Threading | Drive | Packs | |||||
|---|---|---|---|---|---|---|---|---|---|
| 316 Stainless Steel | |||||||||
| 1/4-20316 / A4 Marine-Grade Stainless Steel Hex Socket Head Cap Screws — Partially Threaded | |||||||||
| 1-1/2" | 0.375 in | 0.25 in | Partially threaded | Hex Socket | 100 | FN-SS-SHCS-1420-1.5-SS316-CS-PT-HEX-PL | $30.11$0.30/eapack of 100 · $0.30 ea | ||
| 1-3/4" | 0.375 in | 0.25 in | Partially threaded | Hex Socket | 100 | FN-SS-SHCS-1420-1.75-SS316-CS-PT-HEX-PL | $38.26$0.38/eapack of 100 · $0.38 ea | ||
| 2" | 0.375 in | 0.25 in | Partially threaded | Hex Socket | 100 | FN-SS-SHCS-1420-2-SS316-CS-PT-HEX-PL | $49.04$0.49/eapack of 100 · $0.49 ea | ||
| 2-1/4" | 0.375 in | 0.25 in | Partially threaded | Hex Socket | 50 | FN-SS-SHCS-1420-2.25-SS316-CS-PT-HEX-PL | $22.90$0.46/eapack of 50 · $0.46 ea | ||
| 2-1/2" | 0.375 in | 0.25 in | Partially threaded | Hex Socket | 50 | FN-SS-SHCS-1420-2.5-SS316-CS-PT-HEX-PL | $22.47$0.45/eapack of 50 · $0.45 ea | ||
| 3" | 0.375 in | 0.25 in | Partially threaded | Hex Socket | 50 | FN-SS-SHCS-1420-3-SS316-CS-PT-HEX-PL | $31.83$0.64/eapack of 50 · $0.64 ea | ||
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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