
1/2-20 Hex Head Cap Bolts Partially Threaded Stainless Steel 316
SKU: FN-BLT-HHB-1220-316-PT· 11 lengths
Bulk-Only Item
Minimum order quantity: 10 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 →
$30.91/ 10 pcs
$3.09/ea
pack
1 pack × 10 = 10 pieces
In Stock
FN-BLT-HHB-1220-4-SS316-FN-PT-EHEX-PL Free US shipping 30-day returns Ships ~7 business days
1/2-20 316 stainless steel hex head cap screws (hex cap bolts), ASME B18.2.1. A hex head for wrench or socket driving, a smooth shank under the head and a UNF fine machine thread toward the end. 316 (A4-70) stainless for marine, chemical and outdoor exposure where 18-8 is not enough, plain finish. 11 lengths (2" to 7"). Sold in production-volume bulk packs.
Material
Stainless Steel
Finish
Plain / Natural
Grade
316 (A4-70)
Size
1/2-20
Drive Type
Hex External
Head Style
hex
Standard
ASME B18.2.1
Technical Specifications
Head StyleHex
Width Across Flats0.750 in
Width Across Corners (max)0.866 in
Head Height0.312 in
Wrench Size3/4"
Thread1/2-20 UNF (Fine)
Threads per Inch20
Thread Coverage2" to 6" lengths: 1-1/4" of thread; 6-1/2" to 7" lengths: 1-1/2" of thread
Material316 Stainless Steel
Grade316 (A4-70)
FinishPlain
StandardASME B18.2.1
