Standard Threaded Rod Sizes

The astm a307 specification covers carbon steel bolts and studs ranging from 1 4 through 4 diameter.

Standard threaded rod sizes.

Fully threaded unc astm studs. Approximate weight in kgs per no. The finial threads on the top of a harp are 1 4 27. This is your everyday run of the mill bolt specification often manufactured using a36 round bar.

3 add to quote. This is also the order typically used to specify a product diameter thread pitch length. 1 4 20 is the most popular furniture thread it is more coarse. Tensile stress area nominal size and threads per in.

This series is used for diameters one inch and above. Threaded rod is often used along with a nut and or square plate washer when embedded in concrete to achieve required pull out values. 8 thread series 8un is the specified thread forming method for several astm standards including a193 b7 a193 b8 b8m and a320. Section minor dia.

Threaded rod is a fastening bar or rod threaded along its length. Metric brass threaded rods these metric brass threaded rods are corrosion resistant in wet environments electrically conductive and nonmagnetic. The important dimensions for threaded products are diameter thread pitch and length figure 1. Lamp thread ips is straight or parallel threads equals the same as nps national pipe straight threads.

Section at minor dia. Unlike plumbing lamp parts are not tapered not npt. With so many different sizes and measurements threaded rod dimensions can be complicated. Threaded rod is generally produced from cold rolled steel.

1 4 20 x 3 316 stainless steel all thread rod. We generally leave off the pitch on 1 8 thread it is 1 8 27. These metric 316 stainless steel threaded rods are more corrosion resistant than 18 8 and 410 stainless steel threaded rods and have excellent resistance to chemicals and salt water. 1 4 20 x 3 all thread rod zinc plated.

Rolled threads offer increased strength uniform accuracy and a higher degree of surface finish than machine cut threads in addition to being lower cost. Tensile stress area nominal size and threads per in. Coarse thread series unc fine thread series unf 8 thread series 8un nominal size and threads per in. Standard threaded rod sizes heavy hex nut stud weights sort options.