5/16-18 Cup Point Socket Set Screws Stainless Steel 18-8
SKU: FN-SS-SSS-51618-CUP· 10 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 →
$0.07/ea
1 pack × 1,000 = 1,000 pieces
5/16-18 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, 5/32" hex socket. 10 lengths (1/4"-2"). 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
5/16-18
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 — 10 in this family
Type the packs you need and press Add; sort any column.
| Drive | Drive Size | Point | Packs | |||||
|---|---|---|---|---|---|---|---|---|
| 18-8 Stainless Steel | ||||||||
| 5/16-18Cup Point Socket Set Screws Stainless Steel 18-8 | ||||||||
| 1/4" | Hex Socket | 5/32 in | Cup Point | 1,000 | FN-SS-SSS-51618-0.25-SS18-CS-CUP-HEX-PL | $73.42$0.07/eapack of 1,000 · $0.07 ea | ||
| 5/16" | Hex Socket | 5/32 in | Cup Point | 1,000 | FN-SS-SSS-51618-0.3125-SS18-CS-CUP-HEX-PL | $82.72$0.08/eapack of 1,000 · $0.08 ea | ||
| 3/8" | Hex Socket | 5/32 in | Cup Point | 500 | FN-SS-SSS-51618-0.375-SS18-CS-CUP-HEX-PL | $47.22$0.09/eapack of 500 · $0.09 ea | ||
| 1/2" | Hex Socket | 5/32 in | Cup Point | 500 | FN-SS-SSS-51618-0.5-SS18-CS-CUP-HEX-PL | $61.10$0.12/eapack of 500 · $0.12 ea | ||
| 3/4" | Hex Socket | 5/32 in | Cup Point | 250 | FN-SS-SSS-51618-0.75-SS18-CS-CUP-HEX-PL | $53.08$0.21/eapack of 250 · $0.21 ea | ||
| 1" | Hex Socket | 5/32 in | Cup Point | 100 | FN-SS-SSS-51618-1-SS18-CS-CUP-HEX-PL | $25.43$0.25/eapack of 100 · $0.25 ea | ||
| 1-1/4" | Hex Socket | 5/32 in | Cup Point | 100 | FN-SS-SSS-51618-1.25-SS18-CS-CUP-HEX-PL | $39.50$0.40/eapack of 100 · $0.40 ea | ||
| 1-1/2" | Hex Socket | 5/32 in | Cup Point | 100 | FN-SS-SSS-51618-1.5-SS18-CS-CUP-HEX-PL | $46.78$0.47/eapack of 100 · $0.47 ea | ||
| 1-3/4" | Hex Socket | 5/32 in | Cup Point | 50 | FN-SS-SSS-51618-1.75-SS18-CS-CUP-HEX-PL | $25.96$0.52/eapack of 50 · $0.52 ea | ||
| 2" | Hex Socket | 5/32 in | Cup Point | 100 | FN-SS-SSS-51618-2-SS18-CS-CUP-HEX-PL | $75.73$0.76/eapack of 100 · $0.76 ea | ||
Combine to unlock checkout
These items count toward the $500 bulk minimum. Mix-and-match to reach it.
Related Products
More from Socket Set Screws