Free US Shipping on Every Order  |  Volume Discounts Available
Fastenio
1/4-20 316 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded

1/4-20 316 Stainless Steel Flat Head Socket Cap Screws — 82° Countersunk — Partially Threaded

SKU: FN-SS-FHS-1420-316-PARTTHD· 6 lengths

Bulk-Only Item — drop-shipped from supplier

Minimum order quantity: 250 pieces per pack. Ships 7 business days after our supplier minimum is met across compatible items in your cart. Learn more →

$60.93/ 250 pcs

$0.24/ea

pack

1 pack × 250 = 250 pieces

Limited stock available — message us before ordering 1,000+ pieces.

Low Stock
FN-SS-FHS-1420-1.5-SS316-CS-PT-HEX-PL
Free US shipping 30-day returns Ships ~7 business days

Bulk-pack 1/4-20 316 stainless steel flat head socket cap screws (Allen head), 82° countersunk, partially threaded, ASME B18.3. Superior 316 (A4) marine-grade corrosion resistance vs 18-8. Flush 82° flat countersunk head, 5/32" hex socket drive. 6 lengths (1-1/2"-4"). Length measured overall (head included). Marine, OEM, and MRO applications.

Material

Stainless Steel

Finish

Plain / Natural

Grade

316 (A4-70)

Thread Size

1/4-20

Drive Type

Hex Socket

Head Style

flat

Standard

ASME B18.3

Technical Specifications

Drive5/32" Hex Socket
Head StyleFlat Countersunk (82°)
Thread CoveragePartially Threaded
Head Diameter0.531 in
Head Height0.161 in
Countersink Angle82 °
Thread1/4-20 Coarse