Hobson UNC Hex Bolt and Nut, Grade 5, Plain, 1/4" x 3", Pack of 150

This Hobson UNC hex bolt and nut is 1/4" x 3", grade 5, with a plain finish. It is supplied as a pack of 150. Grade 5 is high tensile, and corresponds to metric class 8.8.

UNC means Unified National Coarse Thread and TPI means threads per inch.

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

• 1/4" x 3" UNC hex bolt and nut
• Grade 5, Plain finish
• Supplied as a pack of 150
• Proof load and minimum tensile strength
• Spanner size (A/F) by size
• Supplied as a bolt and nut

Key specifications

Choosing the right option

Choose the thread form first: the nut must match the bolt in thread form, diameter and pitch. Length is measured from under the head to the end of the bolt. For the bolt on its own: see Hobson UNC Hex Bolt, Grade 5, Plain, 1/4" to 7/16" x 3/4" to 6".

Related hex bolts: Hobson UNC Hex Bolt and Nut, Grade 5, Plain, 1/4" to 7/16" x 3/4" to 6", Hobson UNC Hex Bolt, Grade 5, Plain, 1/4" to 7/16" x 3/4" to 6" and Hobson UNC Hex Bolt and Nut, Grade 8, Plain, 5/16" to 1-1/2" x 3/4" to 10".