
3/8-16 Cup Point Socket Set Screws Stainless Steel 18-8
SKU: FN-SS-SSS-3816-CUP· 14 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 →
$0.16/ea
1 pack × 500 = 500 pieces
3/8-16 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, 3/16" hex socket. 14 lengths (1/4"-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
3/8-16
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 — 14 in this family
Type the packs you need and press Add; sort any column.
| Drive | Drive Size | Point | Packs | |||||
|---|---|---|---|---|---|---|---|---|
| 18-8 Stainless Steel | ||||||||
| 3/8-16Cup Point Socket Set Screws Stainless Steel 18-8 | ||||||||
| 1/4" | Hex Socket | 3/16 in | Cup Point | 500 | FN-SS-SSS-3816-0.25-SS18-CS-CUP-HEX-PL | $56.60$0.11/eapack of 500 · $0.11 ea | ||
| 5/16" | Hex Socket | 3/16 in | Cup Point | 500 | FN-SS-SSS-3816-0.3125-SS18-CS-CUP-HEX-PL | $71.66$0.14/eapack of 500 · $0.14 ea | ||
| 3/8" | Hex Socket | 3/16 in | Cup Point | 500 | FN-SS-SSS-3816-0.375-SS18-CS-CUP-HEX-PL | $79.00$0.16/eapack of 500 · $0.16 ea | ||
| 1/2" | Hex Socket | 3/16 in | Cup Point | 500 | FN-SS-SSS-3816-0.5-SS18-CS-CUP-HEX-PL | $91.23$0.18/eapack of 500 · $0.18 ea | ||
| 5/8" | Hex Socket | 3/16 in | Cup Point | 250 | FN-SS-SSS-3816-0.625-SS18-CS-CUP-HEX-PL | Out of stock | — | |
| 3/4" | Hex Socket | 3/16 in | Cup Point | 250 | FN-SS-SSS-3816-0.75-SS18-CS-CUP-HEX-PL | $73.22$0.29/eapack of 250 · $0.29 ea | ||
| 7/8" | Hex Socket | 3/16 in | Cup Point | 100 | FN-SS-SSS-3816-0.875-SS18-CS-CUP-HEX-PL | $39.77$0.40/eapack of 100 · $0.40 ea | ||
| 1" | Hex Socket | 3/16 in | Cup Point | 250 | FN-SS-SSS-3816-1-SS18-CS-CUP-HEX-PL | $95.72$0.38/eapack of 250 · $0.38 ea | ||
| 1-1/4" | Hex Socket | 3/16 in | Cup Point | 100 | FN-SS-SSS-3816-1.25-SS18-CS-CUP-HEX-PL | $37.24$0.37/eapack of 100 · $0.37 ea | ||
| 1-1/2" | Hex Socket | 3/16 in | Cup Point | 100 | FN-SS-SSS-3816-1.5-SS18-CS-CUP-HEX-PL | $68.53$0.69/eapack of 100 · $0.69 ea | ||
| 1-3/4" | Hex Socket | 3/16 in | Cup Point | 50 | FN-SS-SSS-3816-1.75-SS18-CS-CUP-HEX-PL | $52.24$1.04/eapack of 50 · $1.04 ea | ||
| 2" | Hex Socket | 3/16 in | Cup Point | 50 | FN-SS-SSS-3816-2-SS18-CS-CUP-HEX-PL | $52.45$1.05/eapack of 50 · $1.05 ea | ||
| 2-1/2" | Hex Socket | 3/16 in | Cup Point | 50 | FN-SS-SSS-3816-2.5-SS18-CS-CUP-HEX-PL | Out of stock | — | |
| 3" | Hex Socket | 3/16 in | Cup Point | 50 | FN-SS-SSS-3816-3-SS18-CS-CUP-HEX-PL | $69.78$1.40/eapack of 50 · $1.40 ea | ||



