Hobson KBOMSZCM120030 M12 x 30mm Shoulder Purlin Hex Bolt and Nut, Class 4.6, Zinc

This Hobson shoulder purlin hex bolt and nut is M12 x 30mm, class 4.6, with a zinc finish. It is supplied as a box of 150.

Hobson lists class 4.6 as low tensile carbon steel, and its class and grade chart pairs class 4.6 with imperial grade 2 (manufacturer-stated).

The pitch shown is the coarse pitch given in the Hobson thread table (manufacturer-stated). The supplier lists metric fine pitch items as separate products and says so in the name.

Spanner sizes (A/F) are from the Hobson spanner selection chart (manufacturer-stated).

Where this product is used

• Bolt and nut sets for joining parts through a clearance hole
• Hex head tightened with a spanner or socket
• Choose length and thread form to suit the parts being joined

Features

• M12 x 30mm shoulder purlin hex bolt and nut
• Class 4.6, Zinc finish
• Supplied as a box of 150
• Spanner size (A/F) by size, from the Hobson spanner chart (manufacturer-stated)
• Supplied as a bolt and nut

Key specifications

Selecting the right option

Choose the thread form first: the nut must match the bolt in thread form, diameter and pitch. Metric sizes are the nominal diameter in millimetres; compare the pitch in the table with your nut.

Related products

Related hex bolts: Hobson Metric Hex Bolt and Nut, Class 4.6, Plain, M10 to M24 x 25 to 300mm, Hobson XL Thread Hex Bolt and Nut, Class 4.6, Hot Dip Galvanised, M8 to M24 x 25 to 1500mm and Hobson Metric Hex Bolt and Nut, Class 4.6, Hot Dip Galvanised, M6 to M36 x 35 to 800mm.