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Chuck Jaws DOJ-DK11-200
Chuck Jaws DOJ-DK11-200 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-DK11-200
Description
DOJ jaws Ø 200 mm for DK11 chucks — external gripping jaws. Distributed in Italy by Krollit — official Bernardo distributor since 2007.
Logistics
Original spare parts available with 3–5 business days shipping. Customer support available in Italian.
Technical specifications
technical specifications
Chuck size |
200 mm |
A |
85 mm |
B |
22 mm |
C |
61 mm |
d |
10 mm |
E |
10 mm |
F |
12 mm |
h |
57 mm |
G |
28 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 200 mm — what does DOJ mean and how do they differ from DIJ jaws?
DOJ (Direct Outer Jaw) refers to external gripping jaws: the teeth grip from the outside diameter of the workpiece, tightening inwards. They are the standard jaws for clamping bars, shafts, cylinders, and compactly shaped workpieces. DIJ jaws do the opposite — internal gripping on hollow workpieces. The same machine can use both DIJ and DOJ depending on the workpiece, provided the chuck size is compatible.
DK11 series — compatibility with my chuck?
DK11 mounting (11 DIN 6350 bolts). Check your chuck's mounting type before purchase — DK11 and DK12 are not interchangeable. The Ø 200 mm diameter must match the chuck size. Customer support available in Italian.
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 grip firmly without deforming but leave marks on finished workpieces. Soft (mild steel) jaws do not leave marks on already machined workpieces and can be machined in situ for maximum concentricity. For finishing operations on already machined workpieces: soft jaws. For roughing and production on raw workpieces: hard jaws.
Delivery times?
Original spare parts available with 3–5 business days shipping. Customer support available in Italian.
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