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H series

Cold heading machines

Wire goes in, a formed head comes out, up to 145 times a minute. Seven models cover wire from 0.8 to 10 mm, for screws, bolts, rivets and pins.

Adhunik cold heading machine, H series
0.8 to 10 mmWire diameter
145pcs/min, max
125 mmLongest cut off

Inside one cycle

Scroll through a single cycle of the header. Each step lights up the part doing the work.

12354
  1. 01

    Straighten

    Feed rolls draw the wire off the coil and straighten it on the way in.

  2. 02

    Cut to length

    The cut off die shears a blank to exactly the length the head will need.

  3. 03

    Feed to die

    The transfer carries the blank across and into the main die.

  4. 04

    Punch and form

    The punch strikes and upsets the end of the wire into the head. Cold, with no heating and no metal cut away.

  5. 05

    Eject and repeat

    The knock out pin pushes the part out, and the next blank is already on its way.

Find your model

Tap a model to see its numbers, its blank size and its tooling.

Cut off diameter by model

mm
012345678910

H-3

Blank drawn to the same scale for every model. Dashed outline is the H-10L.

Cold heading machines brochure coverAll seven models, side by sideEvery specification, die size and feature in the 4 page brochure.Download PDF

At full speed

145pcs/min

pieces an hour
pieces in an 8 hour shift
0made at this rate since you opened this page
seconds per piece

Max output from the published specification. Real output depends on part length, head and material.

Tooling for the H-3

Die and punch sizes for the selected model, drawn to scale. Spares for every size are kept in stock.

Main die
Cut off die
Punch 1
Punch 2

Built for long runs

Rigid heavy duty frame

Holds alignment under continuous heading loads. The frame is the reason a header still runs true after years of heading.

Safety shear pins

Shear before the machine is damaged if something jams.

Low noise knock out

Quieter ejection of each formed part, for a calmer shop floor.

Up and down punch slide

Easy access and adjustment of the punch.

Easy knock out adjustment

Quick setting when you change the job.

Hardened and ground gears

For long life in round the clock running.

What it makes

Bolts
Screws
Rivets
Pins
Special fasteners
Cold formed parts

Questions

For most M3 screws the H-3 is the starting point. For longer blanks, above about 23 mm under head, the H-4 has the extra cut off length.

Yes. Recessed heads are formed by the punch in the header, so no extra machine is needed for them.

Cold heading machine brochure cover

The full brochure

How it works, features and every specification, in 4 printable pages.

Download PDF