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Chuck Jaws DOJ-DK11-315
Chuck Jaws DOJ-DK11-315 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
At Krollit, we guarantee a safe and reliable shipping process. Orders are handled with the utmost care and traceability until delivery.
For international shipments, please send your request via the dedicated contact form.
Upon delivery, always sign the delivery note with the words “subject to inspection” to allow for proper handling of any irregularities or discrepancies in the product.
Our goal is to ensure you receive prompt service and a worry-free shopping experience.
Chuck Jaws DOJ-DK11-315
Description
DOJ jaws Ø 315 mm for DK11 chucks — external gripping jaws. In the Krollit catalog since 2007 as an official Bernardo distributor.
Logistics
Original spare parts available with 3–5 working days shipping. Customer service available in English.
Technical specifications
technical specifications
Chuck size |
315 mm |
A |
130 mm |
B |
36 mm |
C |
91 mm |
d |
13.5 mm |
E |
13 mm |
F |
18 mm |
h |
86 mm |
G |
36 mm |
Warranty
Warranty terms and support procedures are available on the dedicated Krollit page.
View Krollit warranty termsFAQ / Frequently asked questions
Frequently asked questions
DOJ jaws Ø 315 mm — what does DOJ mean and how do they differ from DIJ jaws?
DOJ (Direct Outer Jaw) indicates external gripping jaws: the teeth bite from the outside of the workpiece diameter, clamping inwards. These are standard jaws for clamping bars, shafts, cylinders, and compactly shaped parts. DIJ jaws do the opposite — internal gripping on hollow parts. The same machine can use both DIJ and DOJ depending on the workpiece, as long as the chuck size is compatible.
DK11 series — compatibility with my chuck?
DK11 connection (11 DIN 6350 bolts). Check the type of connection of your chuck before purchasing — DK11 and DK12 are not interchangeable. The diameter Ø 315 mm must match the chuck size. Customer service available in English.
Hard DOJ jaws vs soft jaws — when to choose one over the other?
Hard (hardened) DOJ jaws are for general use on raw steel, cast iron, and aluminum — they clamp firmly without deforming but leave marks on finished parts. Soft (mild steel) jaws do not leave marks on already machined parts and are turned in situ for maximum concentricity. For finishing operations on already machined parts: soft jaws. For roughing and production on raw parts: hard jaws.
Delivery times?
Original spare parts available with 3–5 working days shipping. Customer service available in English.
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