Hobson technical document
Blind Rivet Grip Range and Dimensions: Dome and Countersunk Head
Hobson's two-page chart of grip ranges and dimensions for blind rivets. Page one covers truss (dome) head rivets and page two countersunk head rivets, listing each rivet number with its grip range, length, body diameter and head diameter.
What this covers
- Dome head rivets
- Countersunk head rivets
- Grip range
- Length, body and head diameter
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Dome head rivets come in series 3, 4, 5, 6 and 8: 2.4mm, 3.2mm, 4.0mm, 4.8mm and 6.3mm diameter. Countersunk rivets are listed in series 4, 5, 6 and 8.
- Each rivet number covers a grip range, so the same diameter comes in several lengths: pick the number whose grip range covers the job.
- Example, 4.8mm dome head: rivet 602 grips 0.5mm to 3.2mm (8.3mm long), 604 grips 4.9mm to 6.4mm, 608 grips 9.6mm to 12.7mm.
- Example, 3.2mm dome head: rivet 402 grips 1.7mm to 3.2mm, 404 grips 4.9mm to 6.4mm, and the longest, 414, grips 19.2mm to 22.2mm.
- Head diameters for dome heads run from 4.52 to 5.03mm on 2.4mm rivets up to 12.07 to 13.33mm on 6.3mm rivets.
Who it helps: Fabricators and DIY users matching a rivet to the thickness of the materials being joined.
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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.