1/2-13 18-8 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded
SKU: FN-SS-FHS-1213-PARTTHD· 9 lengths
Bulk-Only Item
Minimum order quantity: 25 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 →
$0.76/ea
1 pack × 25 = 25 pieces
1/2-13 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 5/16" hex socket drive. 9 lengths (2"-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
1/2-13
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 — 9 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 | |||||||||
| 1/2-1318-8 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded | |||||||||
| 2" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 25 | FN-SS-FHS-1213-2-SS18-CS-PT-HEX-PL | $18.95$0.76/eapack of 25 · $0.76 ea | ||
| 2-1/2" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-2.5-SS18-CS-PT-HEX-PL | $11.49$1.15/eapack of 10 · $1.15 ea | ||
| 3" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 25 | FN-SS-FHS-1213-3-SS18-CS-PT-HEX-PL | $34.57$1.38/eapack of 25 · $1.38 ea | ||
| 3-1/2" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-3.5-SS18-CS-PT-HEX-PL | $14.91$1.49/eapack of 10 · $1.49 ea | ||
| 4" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-4-SS18-CS-PT-HEX-PL | $14.43$1.44/eapack of 10 · $1.44 ea | ||
| 4-1/2" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-4.5-SS18-CS-PT-HEX-PL | $22.58$2.26/eapack of 10 · $2.26 ea | ||
| 5" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-5-SS18-CS-PT-HEX-PL | $28.55$2.86/eapack of 10 · $2.86 ea | ||
| 5-1/2" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-5.5-SS18-CS-PT-HEX-PL | Out of stock | — | |
| 6" | 0.938 in | 0.251 in | Partially threaded | Hex Socket | 10 | FN-SS-FHS-1213-6-SS18-CS-PT-HEX-PL | $39.23$3.92/eapack of 10 · $3.92 ea | ||
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These items count toward the $500 bulk minimum. Mix-and-match to reach it.
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