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Bernardo  |  SKU: 21-3320

TJ-PS3-125 reversible insert jaws

€126,11 (22% VAT incl.)
Business solution up to 30 installments

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.

Description

Reversible top jaws Ø 125 mm for 3-jaw chucks type PS. In the Krollit catalog since 2007 as an official Bernardo distributor.

Technical specifications

Chuck size

125 mm

M

16 mm

h

22.6 mm

G

12.69 mm

L

10 mm

J

9 mm

K

14 mm

d

7.95 mm

E

4 mm

F

3.2 mm

R

13 mm

N

8 mm

C

38.5 mm

B

22 mm

A

56 mm

O

14.5 mm

P

35 mm

Logistics

Original spare parts available with 3–5 working day shipping. Customer support in Italian available.

Frequently asked questions

Reversible top jaws Ø 125 mm — what do "top jaws" and "reversible" mean?

"Top jaws" indicates that the jaw is composed of two parts: the base body (hard, in hardened steel) that moves in the chuck's guides, and the top insert (the actual jaw, in soft or hardened steel) screwed onto the base body. The inserts can be replaced separately when they wear out without changing the base body. "Reversible" indicates that the same insert can be mounted in two opposite orientations — for internal gripping or external gripping — without changing the jaw.

For Ø 125 mm — what is the clamping diameter range for these jaws?

The reversible top jaws for a Ø 125 mm chuck clamp parts within a diameter range that depends on the jaw travel and the installed configuration. As a general reference, the jaws cover a range of approximately ±30–40% of the nominal chuck diameter. For very small diameters (parts <Ø 20 mm on a Ø 125 mm chuck), consider smaller jaws or collet chucks. Customer support in Italian available.

Can the top inserts be replaced separately?

Yes — this is the main advantage of the top jaw construction. When the top inserts are worn or when you want to mount inserts made of a different material (e.g., soft inserts for delicate parts), you simply unscrew the fastening screws and replace only the inserts without having to buy the complete set of jaws. Replacement inserts are available separately. Customer support in Italian available.

Delivery times?

Original spare parts available with 3–5 working day shipping. Customer support in Italian available.

Product safety

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