Free US Shipping on Every Order  |  Volume Discounts Available
Fastenio — Precision Fastening Solutions
1/4-20 x 1" Flat Head Socket Cap Screws Fully Threaded Stainless Steel 18-8 Black Fluoropolymer

1/4-20 x 1" Flat Head Socket Cap Screws Fully Threaded Stainless Steel 18-8 Black Fluoropolymer

SKU: FN-SS-FHS-1420-1-SS18-CS-FT-HEX-BF

Bulk-Only Item

Minimum order quantity: 100 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 →

$11.74/ 100 pcs

$0.12/ea

pack

1 pack × 100 = 100 pieces

In Stock
FN-SS-FHS-1420-1-SS18-CS-FT-HEX-BF
Free US shipping 30-day returns Ships ~7 business days

1/4-20 18-8 stainless steel flat head socket cap screws (Allen head), 82° countersunk, fully threaded, ASME B18.3. Corrosion-resistant 18-8 (A2-70) stainless with a flush 82° flat countersunk head and 5/32" hex socket drive. Length measured overall (head included) per countersunk convention. Ideal for OEM, machinery, and MRO applications. A black fluoropolymer coating gives a dark, uniform look and adds a slick, corrosion-resistant barrier over the stainless. Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Black Fluoropolymer

Grade

18-8 (A2-70)

Size

1/4-20

Drive Type

Hex Socket

Head Style

Flat / Countersunk

Standard

ASME B18.3

Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades

Technical Specifications

Thread Size1/4-20
Drive5/32" Hex Socket
Head StyleFlat Countersunk (82°)
Thread CoverageFully Threaded
Head Diameter0.531 in
Head Height0.161 in
Countersink Angle82 °
Thread1/4-20 Coarse
FinishBlack Fluoropolymer
Length1