
1/4-20 316 / A4 Marine-Grade Stainless Steel Hex Socket Head Cap Screws — Fully Threaded
SKU: FN-SS-SHCS-1420-316-FULLTHD· 6 lengths
Bulk-Only Item
Minimum order quantity: 250 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 →
$0.18/ea
1 pack × 250 = 250 pieces
1/4-20 316 / 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. 3/16" hex socket drive with a cylindrical cap head. Fully Threaded across all lengths in this listing (1/2" to 1-1/4"). 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
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 — Fully Threaded | |||||||||
| 1/2" | 0.375 in | 0.25 in | Fully threaded | Hex Socket | 250 | FN-SS-SHCS-1420-0.5-SS316-CS-FT-HEX-PL | $38.00$0.15/eapack of 250 · $0.15 ea | ||
| 5/8" | 0.375 in | 0.25 in | Fully threaded | Hex Socket | 250 | FN-SS-SHCS-1420-0.625-SS316-CS-FT-HEX-PL | $44.98$0.18/eapack of 250 · $0.18 ea | ||
| 3/4" | 0.375 in | 0.25 in | Fully threaded | Hex Socket | 250 | FN-SS-SHCS-1420-0.75-SS316-CS-FT-HEX-PL | Out of stock | — | |
| 7/8" | 0.375 in | 0.25 in | Fully threaded | Hex Socket | 250 | FN-SS-SHCS-1420-0.875-SS316-CS-FT-HEX-PL | $51.30$0.21/eapack of 250 · $0.21 ea | ||
| 1" | 0.375 in | 0.25 in | Fully threaded | Hex Socket | 100 | FN-SS-SHCS-1420-1-SS316-CS-FT-HEX-PL | $21.82$0.22/eapack of 100 · $0.22 ea | ||
| 1-1/4" | 0.375 in | 0.25 in | Fully threaded | Hex Socket | 100 | FN-SS-SHCS-1420-1.25-SS316-CS-FT-HEX-PL | $29.68$0.30/eapack of 100 · $0.30 ea | ||




