Hobson technical document
Rivet Grip Range Chart (Data Sheet)
The manufacturer chart of rivet grip ranges and dimensions. For every dome head and countersunk rivet number it lists the diameter, the minimum and maximum grip, the rivet length and the body and head diameters. Use it to choose the right rivet for the thickness you are joining. Read it on this page or download the PDF.
What this covers
- Dome head rivets
- Countersunk head rivets
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Rivet series by diameter: 3 = 2.4mm, 4 = 3.2mm, 5 = 4.0mm, 6 = 4.8mm, 8 = 6.3mm.
- Grip range is the total thickness of the parts the rivet clamps together.
- Example: #44 is a 3.2mm rivet for 4.9 to 6.4mm, #54 a 4.0mm rivet for 4.9 to 6.4mm.
- Recommended drill sizes come from Hobson's rivet data sheets (not this chart): 3.3mm for 3.2mm rivets, 4.1mm for 4.0mm, 4.9mm for 4.8mm.
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This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.