Name: Bimetallic Nikro 128/143 Pelletizer Knives
Brand: KAMMET®

Product range

Three product lines

All knives manufactured on individual orders — from technical drawings or our own design. Small and medium production runs. Material and hardening certificates available.

Monolithic Steel Knives

Stainless, tool, or high-speed steel. Standard UWP conditions, cost-optimised runs.

MaterialStainless / Tool / HSS

Hardness55–63 HRC

Tolerance±0.01 mm

HardeningVacuum (Bodycote)

Best for: PE, PP, LDPE, LLDPE, EVA

Standard grade

Bimetallic Nikro 128/143 granulator knife

★ Premium

Bimetallic — Nikro Insert

Ferro-Titanit® Nikro 128 or 143 cutting insert vacuum-brazed into stainless steel body. Optimal performance-to-cost ratio.

InsertFerro-Titanit® Nikro 128/143

BodyStainless steel

Hardness60–62 HRC

TiC~30 vol%

Service life5–25× vs D2/M2

Best for: PA+GF, PBT+GF, PC, POM, PET, engineering polymers

KAMMET Signature

Solid Nikro 128/143

Full knife body from Ferro-Titanit® Nikro 128 or Nikro 143. Maximum wear resistance for demanding applications.

MaterialFerro-Titanit® Nikro 128/143

Hardness60–62 HRC

BinderNickel-martensite

Temp. resistanceup to 400°C

Best for: PPS, PEEK, PA12, high-temp specialty polymers

Ultra-grade

Ferro-Titanit® (Nikro 128 / Nikro 143) — Swiss Steel Group

~30 vol% TiC in nickel-martensite binder. Produced exclusively by Swiss Steel Group (formerly DEW). Not available from Asian manufacturers. Nikro 128 — the standard choice, optimal toughness for PA/PP/PBT. Nikro 143 — higher Ni, lower Cr, lower corrosion resistance, but increased impact strength at elevated temperatures up to 400°C.

Gallery

KAMMET®

3D Models

Interactive 3D knife models

Rotate, zoom and inspect knife geometry. All models correspond to actual production knives — same proportions, actual dimensions noted below.

Nikro 128 — Coperion · 25×12×102 mm

Nikro 128 Coperion 25×12×102 mm

Nikro 143 — JSW / Japanese type · 12×10×48.5 mm

Nikro 143 JSW / Kobe 12×10×48.5 mm

Monolithic — AISI 440B · 103.5×25×12 mm

Monolithic AISI 440B 103.5×25×12 mm

Bimetallic insert knife · 133.7×26×12 mm

Bimetallic Nikro 128 insert 133.7×26×12 mm

Need to verify your knife geometry? Send us a drawing or existing knife dimensions — we will confirm compatibility and quote.

Selection guide

Polymer → Knife grade

General reference table for selecting the knife material grade. The final choice should be made based on the operating parameters of the installation.

Polymer	Process temp.	Wear / abrasion	Recommended
PA6, PA66 + GF30–50%	270–290°C	Very high	Nikro 143
PBT + GF30%	250–270°C	Very high	Nikro 143
PPS + GF	320–360°C	Very high	Nikro 143
PEEK / PEEK + GF/CF	380–420°C	Extreme	Nikro 143
PC (Polycarbonate)	280–320°C	Medium	Nikro 128
POM (Acetal)	200–220°C	Medium	Nikro 128
PET (virgin pelletizing)	270–290°C	Low	Nikro 128
PA12, PA11	220–240°C	Low	Nikro 128
TPU / Elastomers	190–230°C	Low	Nikro 128
HDPE, LLDPE	200–260°C	Low	HSS Monolithic
PP (unfilled)	200–260°C	Low	HSS Monolithic
PP + GF / mineral-filled	230–260°C	High	Nikro 128

Manufacturer profile

Why KAMMET

0.01 mm — guaranteed

Plane-parallelism maintained at 0.01 mm across the entire production run. Technical parameter control at every production stage.

→ ISO 9001:2015 process control

Custom from drawing

We manufacture from your technical drawings (DXF, PDF, STEP), sketches or photos. No standard catalogue — every knife made to your granulator's exact specification.

→ DXF / PDF / STEP accepted

Full material traceability

Material and hardening certificates (Bodycote) on request. Batch traceability for supplier qualification audits and internal QA documentation.

→ Certificate with every order on request

Global courier delivery

Shipping to 30+ countries. 90% of production exported to EU and global markets. Express production available for urgent needs.

→ 90% EU export — experienced logistics

Access to genuine Nikro material

Genuine Ferro-Titanit® from Swiss Steel Group — sourced exclusively in Europe. Provides access to Nikro 128/143 that Asian manufacturers cannot supply.

→ Swiss Steel Group certified material

40+ years. Family owned.

Founded 1980 by brothers Andrzej and Marek Klepacki. Highly qualified team specialised in granulation metallurgy. ISO 9001:2015 certified by DNV.

→ Wejherowo, Poland since 1980

Technical Specifications

Dimensional tolerance	±0.01 mm
Hardness range	55–67 HRC
Hardening method	Vacuum furnace (computer-controlled)
Hardening certified by	Bodycote Co.
Production series	Small & medium batches
Materials	Stainless · Tool · HSS · Nikro 128 · Nikro 143
TiC content (Nikro)	~30 vol%
Quality system	ISO 9001:2015 · DNV
Origin	Poland · European Union

Supplier Qualification Support

✓ ISO 9001:2015 certified manufacturing
✓ Material certificates on request
✓ Bodycote hardening certificates on request
✓ EU manufacturer — REACH compliant
✓ In-process dimensional control
✓ Sample production available

ISO 9001:2015
Certified by DNV

Direct & indirect supply

Direct buyers & distribution partners

KAMMET supplies polymer producers directly and through distribution channels. Whether you buy for your own facility or source for resale — same product, same quality, same lead times.

MRO & Spare Parts Distributors

Companies supplying maintenance materials to polymer production facilities.

OEM-compatible designs for all major granulator brands
Batch supply for stocking
Full technical documentation
Private label available

Equipment Service Companies

Granulator maintenance and service providers supplying knife replacements within service contracts.

Compatible knife sets for service kits
Fast delivery for maintenance windows
Specification matching service
Consistent quality batch to batch

Regional Agents & Trading Companies

Importers and trading houses serving polymer manufacturers who need verified EU-sourced product.

Genuine EU-manufactured product
ISO 9001:2015 documentation
Exclusive Nikro 128/143 — not available from Asia
Competitive pricing for resale

Become a supply partner

We work with distributors and agents supplying cutting tools, MRO products, or plastics processing equipment spares. ISO 9001:2015 certified, 40+ years track record.

EU manufacturer ISO 9001:2015 Exclusive Nikro material Custom batch sizes Private label option

Discuss Partnership →

info@kammet.com.pl

Ordering process

From specification to delivery

Custom orders from technical drawings. Established process for fast, accurate execution.

Send specification

Technical drawing (DXF/PDF/STEP), granulator model, polymer type, current knife details. Alternatively: granulator brand only — we may have the spec on file.

Email or RFQ form

Quote + material recommendation

We review requirements and issue a quote with recommended material grade and estimated lead time.

Within 48 hours

Production & QC

Manufacturing in Wejherowo. Vacuum hardening at Bodycote. Full dimensional control. Certificates on request.

Small / medium batches

Courier delivery worldwide

Shipped via express courier. Tracking provided. Packaging protects precision-ground surfaces.

30+ countries

Contact

Send us your specification

Granulator model, polymer, current knife specification or technical drawing. We respond with a recommendation and quote within 24–48 hours.

Phone +48 58 677 34 01
+48 58 672 25 77

Email info@kammet.com.pl

Address ul. Łęgowskiego 44/46
84-200 Wejherowo, Poland

Legal entity Przedsiębiorstwo Obróbki Metali KAMMET® S.C. NIP: 588-000-44-92 · REGON: 190046670

ISO 9001:2015
Certified by DNV · Material & hardening certificates on request

Request a Quote

Response within 24–48 hours. Attach drawings to email: info@kammet.com.pl

Full name *

Company *

Email *

Country *

I am a...

Granulator model

Polymer

Current knife (if known)

Message

* Technical drawings: send by email to info@kammet.com.pl with subject "RFQ – [company name]"

✓ Request sent. We will respond within 24–48 hours.

Granulator knivesfor polymer processing