
1-8 Hex Head Cap Bolts Partially Threaded Stainless Steel 316
SKU: FN-BLT-HHB-18-316-PT· 13 lengths
Bulk-Only Item
Minimum order quantity: 5 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 →
$64.38/ 5 pcs
$12.88/ea
pack
1 pack × 5 = 5 pieces
In Stock
FN-BLT-HHB-18-3.5-SS316-CS-PT-EHEX-PL Free US shipping 30-day returns Ships ~7 business days
1-8 316 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 UNC coarse machine thread toward the end. 316 (A4-70) stainless for marine, chemical and outdoor exposure where 18-8 is not enough, plain finish. 13 lengths (3-1/2" to 12"). Sold in production-volume bulk packs.
Material
Stainless Steel
Finish
Plain / Natural
Grade
316 (A4-70)
Size
1-8
Drive Type
Hex External
Head Style
hex
Standard
ASME B18.2.1
Technical Specifications
Head StyleHex
Width Across Flats1.500 in
Width Across Corners (max)1.732 in
Head Height0.609 in
Wrench Size1-1/2"
Thread1-8 UNC (Coarse)
Threads per Inch8
Thread Coverage3-1/2" to 6" lengths: 2-1/4" of thread; 6-1/2" to 12" lengths: 2-1/2" of thread
Material316 Stainless Steel
Grade316 (A4-70)
FinishPlain
StandardASME B18.2.1
