Metallics JHTBG80 Bolts 3/8-16 X 1-3/4 Hx Tap Blt Galv (Jar 100)

Minimum tensile strength is 60,000 psi and hardness runs Rockwell B69 to B100. That is the strength level of a standard low-carbon steel fastener, fine for general support, strut and equipment mounting. If your drawing calls out a higher strength bolt for a structural or seismic connection, this is not the part.

The bolt is steel with a galvanized finish, which is the usual choice for damp interiors, unheated spaces and protected exterior work where plain steel would rust. For continuous saltwater exposure or submerged service, stainless is the better call.

They ship in a jar of 100 pieces, and 100 count is the order minimum, so you buy by the full jar rather than by the piece. Other sizes and quantities can be requested.

The JHTBG80 hex tap bolt is flagged Buy American compliant and ARRA compliant in the manufacturer data, with country of origin listed as China. On a federally funded job, check that flag against the specific clause in your contract, since Buy American provisions differ by program.

A hex tap bolt is threaded the full length of the shank, like this 3/8-16 x 1-3/4 inch one, so every bit of its length engages a tapped hole or a channel nut. A hex cap screw has an unthreaded shoulder under the head, which is what you want when you need a shear plane on solid shank or a tighter tolerance body fit. For strut, clamps, brackets and anything with a tapped insert, the full-thread tap bolt is the usual pick.