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#4-40 x 1/2" Unslotted Trimmed Hex Head Machine Screws Stainless Steel 18-8

#4-40 x 1/2" Unslotted Trimmed Hex Head Machine Screws Stainless Steel 18-8

SKU: FN-SCR-MS-440-0.5-SS18-CS-FT-EHEX-THX-PL

Bulk-Only Item

Minimum order quantity: 20,000 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 →

$725.20/ 20,000 pcs

$0.04/ea

pack

1 pack × 20,000 = 20,000 pieces

In Stock
FN-SCR-MS-440-0.5-SS18-CS-FT-EHEX-THX-PL
Free US shipping 30-day returns Ships ~7 business days

#4-40 x 1/2" unslotted trimmed hex head machine screws in 18-8 stainless steel to ASME B18.6.3. A plain hex head with trimmed flats and a flat top, no indent, no washer face and no slot, driven with a 3/16" nut driver, socket or wrench. Uniform coarse machine thread for tapped holes or a nut, threaded to the head, corrosion-resistant 18-8 (A2-70) stainless for general assembly. Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

18-8 (A2-70)

Size

#4-40

Drive Type

Hex External

Head Style

hex

Standard

ASME B18.6.3

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

Technical Specifications

Size#4-40
Length1/2 in
Head StyleTrimmed hex head (unslotted, no washer)
Hex Size (across flats)3/16 in
Width Across Corners (min)0.213 in
Head Height0.060 in
DriveExternal hex (unslotted)
Thread4-40 Coarse
Threads per Inch40
Thread CoverageFull Thread
Material18-8 Stainless Steel
Grade18-8 (A2-70)
FinishPlain
StandardASME B18.6.3