Ball-lock punches for light duty P_-BLNB / P_-BLN_

Material :

• Material A : High-speed steel HWS / 1.2379 / D2 / X155CrVMo12.1 
• Material B : High-speed steel HSS / 1.3343 / M2 / HS 6.5.2 / Z90

Standard : ISO 10071 / NF E63-102

Dimensions :

• Diameter : from 10mm to 25mm
• Length : from 71mm to 125mm

Ball fixing Ø8mm.

Available shapes : Available as a blank or following our 6 standards catalog shapes. Others shapes can be made as special.

Coating : Standard coating : TIN, Alcrona (AlCrN), TICN, CrN, t-ac.

Other coating on request.

Hardness :

• Material A : 

Body 58 - 62 HRc

• Material B : 

Body 60 - 64 HRc

Benefits :

• The ball-lock range allows quick removal of the punch without having to touch the punch retainer. The disassembly is performed with a ball pushing tool reducing the tools downtime.
• All our punches are engraved to your specifications for quick identification.

Tolerances :

• Body tolerance g5
• Length tolerance +1/0
• Shape tolerance ± 0,01

Conception :

• The ball-lock fixing is machined. 
• The body and shape are grinded with high precision.

Target application

Ideal for press tools or injection moulds.

Recommendations for use :

• Mounting : The ball-lock punch is mounted in a ball-lock punch-retainer.
• Cutting clearance : We recommand a cutting clearance between the die button and the punch corresponding to 10% of the thickness of the sheet being cut. (except special applications).

Maintenance recommendations :

• Regular cleaning
• Regular inspection
• Checking alignment with the die
• Regular lubrication

To order you need to indicate : 

1. The desired dimensions
2. Desired shape (except for blanks)
3. Shape dimensions (except for blanks)
4. The desired coating
5. Shape orientation
6. Standard alterations

Example : PB-BLNL-16-71-20-P12.5-W8-R2T0-TIN

Since 1960, PorterBesson has been the reference brand for the manufacture of special cutting punches.

For all your special punches needs, you can ask the technical and sales teams.

As an expert manufacturer Porter Besson, can stude all your special needs, and produce the right special punches accorded to your specifications and drawing.