Metallics JMSBHC1040316 Bolts M10 x 40 HXBT SS (Jar 100)

It's an M10 bolt with a 1.5 mm thread pitch, which is the coarse metric thread, so it mates with any standard M10 coarse nut or tapped hole. Threads are cut to ISO 724 and ISO 965-1. If your assembly uses M10 x 1.25 fine thread, this is the wrong bolt.

The JMSBHC1040316 is 316 stainless steel, property class A4 under ISO 3506. A4 is the molybdenum-bearing marine grade, which is why it is specified for chloride exposure such as coastal, pool, and wash-down areas rather than A2/18-8.

M10 hex bolts to DIN 933 take a 17 mm wrench across the flats, which matches the stated 17.77 fastener width and the DIN 933 maximum-across-flats note of 17 mm for this diameter. A 17 mm socket or combination wrench covers the whole jar.

With 40 mm of overall length under a hex head, plan on roughly 40 mm total of material plus washers and nut engagement, less whatever you leave for nut protrusion. Because the bolt is fully threaded to DIN 933, you can use the whole length as grip and set the nut anywhere on it, which makes it forgiving on stacked thicknesses like strut, plate, and channel.

They ship as a jar of 100 pieces, and 100 count is the order minimum, so you buy by the full jar rather than loose pieces. Jar weight is listed at 3275 g.

No. The jar contains 100 hex head bolts only, so order M10 coarse nuts and any flat or lock washers separately. For a 316 stainless assembly, match the nuts and washers in 316/A4 as well to avoid galvanic mismatch.

The JMSBHC1040316 is flagged compliant for both ARRA and Buy American in the product record. Country of origin is China, so if your specification requires domestic melt and manufacture rather than the compliance flag alone, verify against your contract language.

Yes, other sizes and quantities in the JMSBHC hex head metric series are available by request. The same DIN 933 pattern is offered across the adjacent diameters, where maximum width across flats runs 17, 19 and 22 mm.