Tapered head punches PB-RFNB / PB-RFN_

Material : Material B : High-speed steel HSS / 1.3343 / M2 / HS 6.5.2 / Z90

Standard : DIN 5118

Dimensions :

• Diameter : from 5mm to 25mm
• Length from 71mm to 120mm

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:

• Head 47 -57 HRc
• Body 60 - 64 HRc

Avantages :

• Extreme head resistance
• All our punches are engraved to your specifications for quick identification.

Tolerances :

• Body tolerance h6
• Length tolerance +0,5
• Shape tolerance ± 0,01

Conception :

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

Target application

Ideal for press tools or injection moulds.

Recommendations for use :

• Mounting : The tapered head punch is mounted in a punch-retainers for tapered punches or in a punch-retainers for headed punches with a seat YR-RFSE.
• 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-RFNL-25-71-20-P24-W12.2-R2T0-TIN