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Bernardo  |  SKU: 21-3226

SJ-PS4-500 Soft One-Piece Jaws

€1.303,32 (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

Soft monolithic jaws Ø 500 mm for 4-jaw chucks type PS. In the Krollit catalog since 2007 as an official Bernardo distributor.

technical specifications

Chuck size

500 mm

A

180 mm

B

40 mm

C

100 mm

d

16 mm

E

14 mm

Logistics

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

Frequently asked questions

Soft monolithic jaws Ø 500 mm — when are they used instead of hardened jaws?

Soft jaws (made of unhardened mild steel) are used when the workpiece cannot be scratched or deformed by the jaw — finished surfaces, soft materials (aluminum, copper, plastic), thin-walled workpieces. Before use, soft jaws must be machined (bored) in situ on the chuck to compensate for mounting tolerances and achieve maximum concentricity — a soft jaw machined in situ exceeds the precision of any standard hardened jaw.

Are these jaws for Ø 500 mm compatible with my chuck?

PS3/PS4 jaws are designed for 3 or 4-jaw chucks with PS-type mounting — check compatibility with your chuck before purchasing. The diameter Ø 500 mm indicates the chuck size for which the jaws are designed. Also check the number of mounting bolts on your chuck.

Can monolithic jaws be reversed for external gripping?

No — monolithic jaws are not reversible. For external gripping (clamping from the outside of the workpiece), reversible top jaws from the TJ or DTJ series are needed. Monolithic jaws exist only in versions for internal gripping or only for external gripping — check the type before purchasing.

Delivery times?

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

Product safety

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