1/4-20 Cup Point Socket Set Screws Stainless Steel 18-8
SKU: FN-SS-SSS-1420-CUP· 15 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 →
$0.05/ea
1 pack × 500 = 500 pieces
1/4-20 18-8 stainless steel cup point socket set screws — headless grub screws with an Allen hex socket drive and a cup point, per ASME B18.3. Corrosion-resistant 18-8 (A2-70) stainless, fully threaded, 1/8" hex socket. 15 lengths (3/16"-3"). Used to lock a component onto a shaft or in a tapped hole; the cup point bites into soft or hard surfaces for a semi-permanent hold. Ideal for OEM, machinery, and MRO applications.
Material
Stainless Steel
Finish
Plain / Natural
Grade
18-8 (A2-70)
Size
1/4-20
Drive Type
Hex Socket
Head Style
set screw
Standard
ASME B18.3
Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades
Technical Specifications
Order any length — 15 in this family
Type the packs you need and press Add; sort any column.
| Drive | Drive Size | Point | Packs | |||||
|---|---|---|---|---|---|---|---|---|
| 18-8 Stainless Steel | ||||||||
| 1/4-20Cup Point Socket Set Screws Stainless Steel 18-8 | ||||||||
| 3/16" | Hex Socket | 1/8 in | Cup Point | 1,000 | FN-SS-SSS-1420-0.1875-SS18-CS-CUP-HEX-PL | Out of stock | — | |
| 1/4" | Hex Socket | 1/8 in | Cup Point | 500 | FN-SS-SSS-1420-0.25-SS18-CS-CUP-HEX-PL | $24.13$0.05/eapack of 500 · $0.05 ea | ||
| 5/16" | Hex Socket | 1/8 in | Cup Point | 1,000 | FN-SS-SSS-1420-0.3125-SS18-CS-CUP-HEX-PL | $62.46$0.06/eapack of 1,000 · $0.06 ea | ||
| 3/8" | Hex Socket | 1/8 in | Cup Point | 500 | FN-SS-SSS-1420-0.375-SS18-CS-CUP-HEX-PL | $32.37$0.06/eapack of 500 · $0.06 ea | ||
| 7/16" | Hex Socket | 1/8 in | Cup Point | 5,000 | FN-SS-SSS-1420-0.4375-SS18-CS-CUP-HEX-PL | $193.10$0.04/eapack of 5,000 · $0.04 ea | ||
| 1/2" | Hex Socket | 1/8 in | Cup Point | 500 | FN-SS-SSS-1420-0.5-SS18-CS-CUP-HEX-PL | $47.79$0.10/eapack of 500 · $0.10 ea | ||
| 5/8" | Hex Socket | 1/8 in | Cup Point | 500 | FN-SS-SSS-1420-0.625-SS18-CS-CUP-HEX-PL | $64.16$0.13/eapack of 500 · $0.13 ea | ||
| 3/4" | Hex Socket | 1/8 in | Cup Point | 500 | FN-SS-SSS-1420-0.75-SS18-CS-CUP-HEX-PL | $71.45$0.14/eapack of 500 · $0.14 ea | ||
| 7/8" | Hex Socket | 1/8 in | Cup Point | 250 | FN-SS-SSS-1420-0.875-SS18-CS-CUP-HEX-PL | $37.36$0.15/eapack of 250 · $0.15 ea | ||
| 1" | Hex Socket | 1/8 in | Cup Point | 250 | FN-SS-SSS-1420-1-SS18-CS-CUP-HEX-PL | $40.70$0.16/eapack of 250 · $0.16 ea | ||
| 1-1/4" | Hex Socket | 1/8 in | Cup Point | 250 | FN-SS-SSS-1420-1.25-SS18-CS-CUP-HEX-PL | $61.84$0.25/eapack of 250 · $0.25 ea | ||
| 1-1/2" | Hex Socket | 1/8 in | Cup Point | 200 | FN-SS-SSS-1420-1.5-SS18-CS-CUP-HEX-PL | $59.98$0.30/eapack of 200 · $0.30 ea | ||
| 1-3/4" | Hex Socket | 1/8 in | Cup Point | 250 | FN-SS-SSS-1420-1.75-SS18-CS-CUP-HEX-PL | $103.51$0.41/eapack of 250 · $0.41 ea | ||
| 2" | Hex Socket | 1/8 in | Cup Point | 100 | FN-SS-SSS-1420-2-SS18-CS-CUP-HEX-PL | $60.18$0.60/eapack of 100 · $0.60 ea | ||
| 3" | Hex Socket | 1/8 in | Cup Point | 100 | FN-SS-SSS-1420-3-SS18-CS-CUP-HEX-PL | $97.24$0.97/eapack of 100 · $0.97 ea | ||
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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