Headed punches ISO P_-PPNB / P_-PPN_ - ISO 8020

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
• Material E : ASPP23 / 1.3395 / M32 / HS 6.5.3
• Material S : M4 / 1.3351 / HS 6.5.4

Standard : ISO 8020 / NF E63-101

Dimensions :

• Diameter : from 4mm to 40mm
• Length : from 71mm to 120mm

Cylindrical head, 5mm thick.

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 : 

Head 40 -50 HRc

Body 58 - 62 HRc

• Material B : 

Head 47 -57 HRc

Body 60 - 64 HRc

• Material E : 

Head 47 -57 HRc

Body 62 - 66 HRc

• Material S : 

Head 47 -57 HRc

Body 62 - 66 HRc

Benefits :

• Easy to install using the counterbore. The head is chamfered to ensure correct perpendicular alignment with the punch holder.
• Very precize orientation flat.
• Tight tolerance on the head thickness ensuring that the run out is reduced, resulting in less clearance and a greater head stregth.
• All our punches are engraved to your specifications for quick identification.

Tolerances :

• Body tolerance m5
• Length tolerance +1/0
• Cylindrical head thickness tolerance +0,1/0
• Cylindrical head diameter tolerance 0/-0,25
• Shape tolerance ± 0,01

Conception :

• The cylindrical head is hot forged for a better strength and durability.
• The body and shape are grinded with high precision.

Target application

Ideal for press tools or injection moulds.

Recommendations for use :

• Mounting : The headed precision punch is mounted in a punch retainers with counterbore.
• 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-PPNL-25-71-20-P24-W12,5-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 punches and dies manufacturer Porter Besson, can stude all your special needs, and produce the right special punches accorded to your specifications and drawing.

Punches and dies Porter Besson are manufactured and available in stock at AMDL.

Punches and dies from the registered Porter Besson brand are available in stock at AMDL.