AMB conical sleeve pins are a solution for fixing and initial setup of forest-, earthmoving and industry machine joints. We have over a 1000 premade models for common machine brands. Check them out HERE.

We also make custom AMB conical sleeve pins according to customer specified measurements for special case jobs. You can send the measurements for a custom job HERE.


Bonus product

Ready-to-install basic model

  • cone shaped quenched tips
  • two internal extractors
  • two bolts/nuts
  • two washers
  • We also make: Oiling holes and ruts, special cones and  other custom solutions

Spare parts

  • Internal extractors, diameter 20 – 140mm, NOTICE! Ask for extractors for oval holes
  • Special cones and extractors
  • Washers, diameter 24-144mm for M3-M36 bolts
  • Bolts M8-M36
  • Installation nuts
  • Flange nuts M10-M30
  • Flange bolts M12-M30

Other services

  • We also produce AMB conical sleeve pins  in bulk for the industry and machine- and equipment manufacturers. Ask us for an offer.
  • Other hourly payed jobs 75€/h (+ VAT 24%)

Our product selection includes conical sleeve pins for the following products:

AFM Forest, Ajo, Atlas, Avant, Bobcat, Bracke, Bruks, Case, Caterpillar, Coweston Hi Tec, Crawler, Daewoo, Doosan, Ecolog, Engcon, Evi, Farmi Track, Fiat, Finnbull, Ford, Gremo, Hafo, Halla, Hemek, Hitachi, Huddig, Hymas, Hyundai, Ihi, Indexator, James, JCB, John Deere, JPC, Junttan, Kesla, Keto, Kire, Kobelco, Kockums, Komatsu, Kubota, Ljungby, LM Track, Logmer, Loglift, Logman, Logmax, Logset, Lundberg, Lännen, Marttiini, Mecalac, Metsäkissa, Mitsubishi, Moipu, Neuson, Newholland, Nokka Profi, Norcar, Nordlift, Normet, Oniar, Palfinger, Patu, Peljop, Pika, Ponsse, Profi Pro, ProSilva, Pure, Rottne, Sampo Rosenlew, Schaeff, Schäffer, Takeushi, Tehojätkä Farma, Timberjack, Topi-Kone, TTS, Valmet, Valtra, Vammas, Vila, VM -Works, Volvo , Waratah, Wille, Yanmar, Åkerman



  • Sturdiness
  • Easy installation
  • Top functionality

User experiences

  • From machine- and equipment manufacturers
  • From machine maintenance and repair shops
  • From industry maintenance companies

AM Bonus Oy

  • Specialised in expander bolts
  • Over 20 years of experience in machining
  • We do exactly what we promise
vedos (3)


AM Bonus Oy
Kivikankaantie 5
86300 Oulainen
Y-tunnus: 2061171-4
ambonus (at)


Ari Mattila
tel. +358 400 474 685
ari.mattila (at)


Atte Mattila
Product manager (also English)
puh. +358 50 325 2224
atte.mattila (at)

Anne Mattila
puh. +358 40 548 1513
anne.mattila (at)

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