A non-metric or special bore size. Confirm the thread form and tolerance with us before you specify it into a design.
In stock now: 92 lines; covering Screws (55), Socket Head Screws (49), Other (22), Cable Ties (22), ANSI/ASME B18.3SH( Knurled ) (21); priced from $0.0060 per piece. Every line is sold by the piece — one piece is a valid order — and volume discounts apply automatically from 5%.
Related values on the same axis
1/2
1/4
2#
10#
3/16
3/8
4#
5/16
5/8
6#
Product families covered
Screws 55
Socket Head Screws 49
Other 22
Cable Ties 22
ANSI/ASME B18.3SH( Knurled ) 21
ANSI American Round Head Hex Socket 20
Marker Cable Ties 10
ANSI American Countersunk Hex Socket 8
Tools 8
Set Screws 6
DIN916 6
DIN338 4
Frequently asked
How much do 4# fasteners cost?
Prices in our catalogue for 4# run from $0.0060 to $7.5052 per piece, depending on diameter, length and material. There is no minimum order, and volume discounts apply automatically from 5%.
Is there a minimum order quantity for 4#?
No. Every line is sold by the piece, so you can order a single piece to check the fit and the finish before committing to a production quantity. Volume discounts start at 5% and step down as the quantity rises.
What do you stock in 4#?
4# Bolts, Screws, Nuts & Washers currently covers 92 lines across Screws, Socket Head Screws, Other, Cable Ties, ANSI/ASME B18.3SH( Knurled ), ANSI American Round Head Hex Socket. The full list of sizes, materials and finishes on this page is live — use the filters at the top to narrow it down.
How quickly do you ship 4# fasteners, and can you send them to the EU or Russia?
In-stock lines leave our Foshan warehouse within 24–48 hours. We ship worldwide, including the EU and Russia. For the EU we are appointing a responsible person under Regulation (EU) 2023/988 (GPSR); for EAEU orders the conformity documents are handled with the importing party, who is the applicant of record. We can supply an EN 10204 3.1 mill test certificate, a full technical specification and a packing list with weights on request.