Library › Hardware › Tri-clamp clamp, two-bolt: every flange size ½ to 4 in
1–1½ in two-bolt clamp half (two per clamp)
1–1½ in two-bolt clamp half (two per clamp): 20° groove for the ISO 2852 rims, contact after 0.4 mm, 0.6 mm squeeze before the halves meet, 2 × M5 × 30 hex head screws (ISO 4017) through Ø5.5 holes: the +X lug's 8 AF × 3.5 pocket holds a screw head, the −X lug is a plain hole with the nut on its outer face; 15.7 mm wide
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
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Dimensions
| size_in | 1–1½ |
|---|---|
| tube_od_mm | 38.1 |
| rim_c3_mm | 50.5 |
| clamp_od_mm | 59.5 |
| clamp_width_mm | 15.7 |
| groove_throat_mm | 7.4 |
| contact_after_mm | 0.4 |
| bolts | 2 × M5 × 30 hex head (ISO 4017) + nuts |
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Tri-clamp clamp, two-bolt: every flange size ½ to 4 in: every size, notes, mating features and sources. What are the dimensions of a two-bolt tri-clamp clamp?