3/8-16 18-8 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Fully Threaded
SKU: FN-SS-FHS-3816-FULLTHD· 10 lengths
Bulk-Only Item
Minimum order quantity: 100 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 →
$0.28/ea
1 pack × 100 = 100 pieces
3/8-16 18-8 stainless steel flat head socket cap screws (Allen head), 82° countersunk, fully threaded, ASME B18.3. Corrosion-resistant 18-8 (A2-70) stainless with a flush 82° flat countersunk head and 7/32" hex socket drive. 10 lengths (1/2"-2-1/2"). Length measured overall (head included) per countersunk convention. 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
flat
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.
| Head Dia. | Head Ht. | Threading | Drive | Packs | |||||
|---|---|---|---|---|---|---|---|---|---|
| 18-8 Stainless Steel | |||||||||
| 3/8-1618-8 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Fully Threaded | |||||||||
| 1/2" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-0.5-SS18-CS-FT-HEX-PL | $34.11$0.34/eapack of 100 · $0.34 ea | ||
| 5/8" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-0.625-SS18-CS-FT-HEX-PL | Out of stock | — | |
| 3/4" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-0.75-SS18-CS-FT-HEX-PL | $27.55$0.28/eapack of 100 · $0.28 ea | ||
| 7/8" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-0.875-SS18-CS-FT-HEX-PL | $28.80$0.29/eapack of 100 · $0.29 ea | ||
| 1" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-1-SS18-CS-FT-HEX-PL | $29.25$0.29/eapack of 100 · $0.29 ea | ||
| 1-1/8" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-1.125-SS18-CS-FT-HEX-PL | $39.50$0.40/eapack of 100 · $0.40 ea | ||
| 1-1/4" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 50 | FN-SS-FHS-3816-1.25-SS18-CS-FT-HEX-PL | $15.04$0.30/eapack of 50 · $0.30 ea | ||
| 1-3/8" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 50 | FN-SS-FHS-3816-1.375-SS18-CS-FT-HEX-PL | $19.34$0.39/eapack of 50 · $0.39 ea | ||
| 1-1/2" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 100 | FN-SS-FHS-3816-1.5-SS18-CS-FT-HEX-PL | $41.75$0.42/eapack of 100 · $0.42 ea | ||
| 2-1/2" | 0.781 in | 0.234 in | Fully threaded | Hex Socket | 25 | FN-SS-FHS-3816-2.5-SS18-CS-FT-HEX-PL | $15.96$0.64/eapack of 25 · $0.64 ea | ||
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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