Hobson Metric Fine Hex Bolt, M18 / 85

The Hobson metric fine hex bolt range has 144 items in class 10.9, zinc plated finish: sizes M10 to M30, with lengths from 25mm to 200mm. Class 10.9 is high tensile, and corresponds to imperial grade 8. Each size name includes its thread pitch (for example M12 x 1.5), so match the pitch of your nut as well as the diameter.

ZP means zinc, usually referencing zinc plating (zinc with clear chromate).

Where this product is used

• Used with a matching nut, or screwed into a tapped hole, to join or fix parts
• Hex head tightened with a spanner or socket
• Choose length and thread form to suit the parts being joined

Features

• 9 sizes: M10 to M30
• Class 10.9, Zinc plated finish
• Lengths from 25mm to 200mm
• Pack quantity and part number for every item
• Proof load and minimum tensile strength
• Supplied as the bolt alone

Key specifications

Choosing the right option

Choose the thread form first: the nut must match the bolt in thread form, diameter and pitch. The pitch is part of each size name: check it against your nut as well as the diameter. Length is measured from under the head to the end of the bolt.

Related hex bolts: Hobson Metric Fine Hex Bolt, Class 10.9, Plain, M12 to M30 x 30 to 200mm, Hobson Metric Fine Hex Bolt, Class 8.8, Zinc Plated, M8 to M24 x 20 to 300mm and Hobson Metric Fine Dome Hex Track Bolt, Grade 9, Plain, M16 to M27 x 46 to 90mm.