Heavy duty headed punches P_-PTNB / P_-PTN_

Heavy duty headed punches P_-PTNB / P_-PTN_

The P_-PTN_ heavy duty headed punch have a reinforced head to withstand high loads. Heavy duty headed punches are mounted in a tool to cut, bend or form sheet metal. We are machining our punches following your needs or drawing. They are also available as blank.

Specifications

Material :

  • Material B : High-speed steel HSS / 1.3343 / M2 / HS 6.5.2 / Z90
  • Material S : M4 / 1.3351 / HS 6.5.4

Dimensions :

  • Diameter : from 8mm to 32mm
  • Length from 71mm to 100mm

Cylindrical head, 8mm 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 B : 

Head 47 -57 HRc

Body 60 - 64 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.
  • The head 8mm thick make the punch able to withstand high load for every high stress demanding application.
  • All our punches are engraved to your specifications for quick identification.

Tolerances :

  • Body tolerance m5
  • Length tolerance +0,3
  • Cylindrical head thickness tolerance -0,02/+0,07
  • Cylindrical head diameter tolerance -0,3
  • 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 heavy duty headed 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-PTNL-25-71-20-P24-W12,5-R2T0-TIN

Technical data

Plan

L : Punch length

Dm5 : Body diameter tolerance m5

H : Cylindrical head diameter

L2 : Working length for shaped punches

P x W : Shape dimensions

Heavy duty headed punches P_-PTNB P_-PTN_ plan

Catalogue

Download the full catalogue

FAQ

A specific request?

Your satisfaction is our priority. Contact us if you have a special request.