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Solvent-based workstations: what safety regulations require in Switzerland
The lid of a benzine container is held by a copper piece that melts. If the solvent ignites, it gives way and the lid drops by itself.





Supplier : Heidi | Shop
Brand : Niederhauser
Reply within 48 business hours
Key-operated manual collet chuck for Schaublin draw-type collets and American 5C collets. For lathes, milling and drilling machines.
Good to know: To mount it on your lathe, add the adapter flange that matches your spindle nose (DIN 55026, 55027 or 55029), sold separately. Collets are not included.
Supplied with: 1 operating key, 1 set of mounting screws.
W 20 to 386 E – common body: A 126 mm, C 4 mm, D H7 95 mm, F 108 mm, G 3 × M8, J 88 mm, key 9, 6000 rpm
| Type | Item no. | B | B1 | B2 | E | H |
|---|---|---|---|---|---|---|
| W 20 | 110-305 | 98 mm | 29 mm | 47 mm | 38 mm | 43 mm |
| W 25 | 110-306 | 120.5 mm | 51.5 mm | 69.5 mm | 45 mm | 54 mm |
| 5C (Schaublin W 31.75) | 110-307 | 108 mm | 48 mm | 64.5 mm | 53 mm | 62 mm |
| B 32 | 110-308 | 122 mm | 53 mm | 71 mm | 50 mm | 62 mm |
| 386 E | 110-309 | 130 mm | 61 mm | 79 mm | 53 mm | 62 mm |
B 45 – DIN 6350 mounting
| Type | Item no. | Clamping range | A | B | B1 | C | C1 | D H6 | E | F | T | Key size | Max. speed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B 45 | 110-345 | 1 – 36 mm | 160 mm | 150 mm | 76 mm | 65 mm | 96 mm | 125 mm | 3 x M10 | 140 mm | 5 mm | 11 | 4500 rpm |
Other sizes on request. Produced by Niederhauser.
Main specifications
Where your order ships from. All our shipments leave Switzerland, from our warehouse in Val Terbi. International orders are consolidated at our premises, then sent as a single parcel.
Carrier. UPS worldwide, Swiss Post for deliveries within Switzerland. A tracking number is sent to you as soon as the parcel leaves.
Lead time. The dispatch time for this item is shown higher up on this page. Transit time is added to it and depends on the destination.
Customs and import taxes. Our prices are shown excluding VAT. For deliveries outside Switzerland, customs duties and import taxes are not included: they are collected by the carrier on delivery and remain payable by the recipient.
Returns. Right of return within 30 days. The terms are set out in our refund policy.
An oversized part or a special shipment? Request a quote and we will reply within 48 business hours.
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