1/4-20 316 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded
SKU: FN-SS-FHS-1420-316-PARTTHD· 7 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 →
$0.33/ea
1 pack × 250 = 250 pieces
1/4-20 316 stainless steel flat head socket cap screws (Allen head), 82° countersunk, partially threaded, ASME B18.3. Superior 316 (A4) marine-grade corrosion resistance vs 18-8. Flush 82° flat countersunk head, 5/32" hex socket drive. 7 lengths (1-1/2"-5"). Length measured overall (head included). Marine, OEM, and MRO applications.
Material
Stainless Steel
Finish
Plain / Natural
Grade
316 (A4-70)
Size
1/4-20
Drive Type
Hex Socket
Head Style
flat
Standard
ASME B18.3
Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades
Technical Specifications
Order any length — 7 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 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded | |||||||||
| 1-1/2" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 250 | FN-SS-FHS-1420-1.5-SS316-CS-PT-HEX-PL | $82.22$0.33/eapack of 250 · $0.33 ea | ||
| 1-3/4" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 100 | FN-SS-FHS-1420-1.75-SS316-CS-PT-HEX-PL | $28.92$0.29/eapack of 100 · $0.29 ea | ||
| 2" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 100 | FN-SS-FHS-1420-2-SS316-CS-PT-HEX-PL | $36.40$0.36/eapack of 100 · $0.36 ea | ||
| 2-1/2" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 50 | FN-SS-FHS-1420-2.5-SS316-CS-PT-HEX-PL | $38.99$0.78/eapack of 50 · $0.78 ea | ||
| 3" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 50 | FN-SS-FHS-1420-3-SS316-CS-PT-HEX-PL | $22.63$0.45/eapack of 50 · $0.45 ea | ||
| 4" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 500 | FN-SS-FHS-1420-4-SS316-CS-PT-HEX-PL | $233.15$0.47/eapack of 500 · $0.47 ea | ||
| 5" | 0.531 in | 0.161 in | Partially threaded | Hex Socket | 25 | FN-SS-FHS-1420-5-SS316-CS-PT-HEX-PL | Out of stock | — | |
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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