M16 is a metric thread with an 16 mm nominal diameter and a coarse pitch of 2 mm (ISO 261). A standard hex head takes a 24 mm spanner across the flats.
In stock now: 898 lines; covering Screws (373), Socket Head Screws (271), Bolts (176), DIN912 (173), Hex Bolts (140); priced from $0.0061 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 373
Socket Head Screws 271
Bolts 176
DIN912 173
Hex Bolts 140
Nuts 121
DIN933 106
Set Screws 99
Threaded Rods 83
Stud Bolts & Thread Rods 83
DIN7991 49
Washers & Retaining Rings 44
Frequently asked
What thread pitch and spanner size does M16 use?
A standard M16 metric coarse thread has a pitch of 2 mm (ISO 261). A hexagon head M16 takes a 24 mm spanner across the flats. We also stock fine-pitch and imperial equivalents — ask for the size list.
How much do M16 fasteners cost?
Prices in our catalogue for M16 run from $0.0061 to $39.1359 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 M16?
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 M16?
M16 Bolts, Screws, Nuts & Washers currently covers 898 lines across Screws, Socket Head Screws, Bolts, DIN912, Hex Bolts, Nuts. 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 M16 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.