3/8-16 18-8 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded
SKU: FN-SS-FHS-3816-PARTTHD· 11 lengths
Bulk-Only Item
Minimum order quantity: 50 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 →
$0.44/ea
1 pack × 50 = 50 pieces
3/8-16 18-8 stainless steel flat head socket cap screws (Allen head), 82° countersunk, partially threaded, ASME B18.3. Corrosion-resistant 18-8 (A2-70) stainless with a flush 82° flat countersunk head and 7/32" hex socket drive. 11 lengths (1-5/8"-6"). 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 — 11 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 — Partially Threaded | |||||||||
| 1-5/8" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 100 | FN-SS-FHS-3816-1.625-SS18-CS-PT-HEX-PL | $53.33$0.53/eapack of 100 · $0.53 ea | ||
| 1-3/4" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 50 | FN-SS-FHS-3816-1.75-SS18-CS-PT-HEX-PL | $22.13$0.44/eapack of 50 · $0.44 ea | ||
| 2" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 50 | FN-SS-FHS-3816-2-SS18-CS-PT-HEX-PL | $24.23$0.48/eapack of 50 · $0.48 ea | ||
| 2-1/4" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 50 | FN-SS-FHS-3816-2.25-SS18-CS-PT-HEX-PL | $29.55$0.59/eapack of 50 · $0.59 ea | ||
| 2-3/4" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 50 | FN-SS-FHS-3816-2.75-SS18-CS-PT-HEX-PL | $35.51$0.71/eapack of 50 · $0.71 ea | ||
| 3" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 25 | FN-SS-FHS-3816-3-SS18-CS-PT-HEX-PL | $17.65$0.71/eapack of 25 · $0.71 ea | ||
| 3-1/2" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 25 | FN-SS-FHS-3816-3.5-SS18-CS-PT-HEX-PL | $22.37$0.89/eapack of 25 · $0.89 ea | ||
| 4" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-3816-4-SS18-CS-PT-HEX-PL | $8.61$0.86/eapack of 10 · $0.86 ea | ||
| 4-1/2" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-3816-4.5-SS18-CS-PT-HEX-PL | $13.76$1.38/eapack of 10 · $1.38 ea | ||
| 5" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 25 | FN-SS-FHS-3816-5-SS18-CS-PT-HEX-PL | $43.54$1.74/eapack of 25 · $1.74 ea | ||
| 6" | 0.781 in | 0.234 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-3816-6-SS18-CS-PT-HEX-PL | $29.28$2.93/eapack of 10 · $2.93 ea | ||
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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