Hobson KBHHTZCM120030 M12 x 30mm Metric Purlin Hex Bolt, Nut and Washer, Class 8.8

This page lists 3 Hobson metric purlin hex bolt, nut and washer items (Class 8.8, zinc plated): M12 and M16, in lengths of 30 and 40mm. Each item is a hex bolt supplied with a nut and washer (the supplier calls it a purlin hex bolt, nut and washer).

Hobson lists class 8.8 as high tensile, and its class and grade chart pairs class 8.8 with imperial grade 5 (manufacturer-stated).

The pitch shown for each size is the coarse pitch given in the Hobson thread table (manufacturer-stated).

The Hobson High Tensile Stock List (April 2011) names the item PURLIN HEX BOLT, NUT & 2 WASHER KIT (manufacturer-stated).

Pack quantity is shown for each item.

Where this product is used

• Clamping parts together through a clearance hole, with the nut and washer supplied
• One item covers the bolt, nut and washer of a joint

Features

• 3 items: M12 and M16, 30 and 40mm long
• Metric thread, hex head
• Class 8.8, zinc plated
• Nut and washer supplied with each bolt
• Minimum tensile strength for each size from the Hobson guide, shown on each item page (manufacturer-stated)
• Catalogue pack weights shown where the Hobson stock list prints them (manufacturer-stated)

Common specifications

Key specifications

Pack weights are as printed in the Hobson High Tensile Stock List, April 2011, and apply to the pack shown (manufacturer-stated).

Selecting the right option

Choose the thread form first: the bolt and its nut must match in thread form, diameter and pitch. Metric sizes are the nominal diameter in millimetres; compare the pitch shown for each item with your nut. Length is measured from under the head to the end of the bolt, so choose size and length together. The nut and washer are supplied with each bolt. Strength figures are the minimum tensile strengths for the class or grade and size range in the Hobson guide, which is a head-marking table, so treat them as the class or grade minimum and not a test result for the bolt (manufacturer-stated).

Related products

Related bolts: Hobson Metric Hex Bolt, Class 8.8, Zinc Plated, M6 to M30 x 16 to 375mm, Hobson Metric Hex Bolt, Class 8.8, Hot Dip Galvanised, M8 to M48 x 20 to 450mm and Hobson Metric Hex Bolt, G8.8, Galvanised, M12 x 30 to 50mm.