DIN 472 circlip, 30 mm bore
Circlips › DIN 472-30
A DIN 472-30 is an internal circlip (a bore clip) for a 30 mm bore, 1.2 mm thick. Cut the groove Ø31.4 mm, 1.3 mm wide and 0.7 mm deep, and fit it with inside pliers, size J2.
| Bore Ø | 30 mm |
|---|---|
| Clip thickness | 1.2 mm |
| Groove Ø | 31.4 mm |
| Groove width | 1.3 mm |
| Groove depth | 0.7 mm |
| Pliers | inside, size J2 |
Sizes from DIN 472, as Benchsmith's Find → Circlip gives them. Groove depth = (bore Ø − groove Ø) ÷ 2.
Open DIN 472-30 in BenchsmithAdd to order list
Bench note · why the groove, not the clip
The clip is named by the bore it fits (Ø30), but you cut the groove: Ø31.4, 1.3 wide, 0.7 deep. Square corners at the bottom so the clip sits flat against the side.
Bench note · why inside pliers
A bore clip (DIN 472) is squeezed to go in: inside pliers. Squeeze it only as far as it takes; bent past that it springs out under load.
Same Ø, shaft clip
- DIN 471-30shaft Ø30, groove Ø28.6
One size up or down
- DIN 472-28bore Ø28 (down)
- DIN 472-32bore Ø32 (up)
Clip gone and only the groove left? Measure the bore, or the bottom of the old groove, and type it into Benchsmith → Find → Circlip.