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STIHL Part Range

Purchasing STIHL Parts

To become a STIHL supplier, you need to meet our standards together with good quality, costs, and service.

We are looking for efficient partners for the following ranges of parts currently.

Aluminum tubes

Aluminum tubes

Type of parts
- Welded, extruded and drawn aluminum tubes

Special Features:
- Partly with anodized surface, partly machined

Dimensions:
- Outside diameter 20 to 35 mm
- wall thickness 1,2 to 2,5 mm

Tolerances:
- Outside diameter partly with narrowed down tolerances

Material:
- 5086
- 6063
- AIMgSI0,7
- AIZn5Mg1

Blow molded parts

Blow molded parts

Type of parts:
- Fuel, oil or water tanks

Function:
- Storage of liquid fluids (gasoline, oil, water), protection for chain saws

Special Features:
- May have metal inserts
- Different wall thickness
- Sealing
- Assembly with rubber hoses

Dimensions/Weight:
- 150 ccm - 400 ccm
- 40 g - 200 g

Tolerances:
- Standards

Production Process:
- Blow molded forming

Material:
- HDPE

Brake band

Brake band

Function:
- Braking by winding around the clutch drum

Special Features:
- The production method (bending)
- Shape precision

Dimensions:
- Extended length is approximately 350 - 400 mm

Tolerances:
- Standard for cutting
- High during bending

Production Process:
- Stamping
- Cutting
- Bending

Material:
- Band steel, e.g. (Bd DIN 1544 1 X 11 rk 12 CrNi 177 Tensile strength is from1100 to1325 N/mm²)

Combination wrench

Combination wrench

Function:
- To assemble and remove parts (e.g. chain sprocket cover, stark plug)
- Tool to adjust e.g. chain tension

Dimensions:
- Hexagon in dimensions 13, 16, and 19
- Flat tip or torx screw driver

Tolerances:
- DIN 7167
- ISO 1101

Production Process:
- Stamping
- Milling/Forging
- Welding
- Hardening
- Galvanizing/Chromazing

Material:
- Tube: St 35/37
- Screw driver: C45K

Crank pin

Crank pin

Function:
- Positioning (of) the connecting rod

Special Features:
- Cylindrical design
- Rounded edges if "soft" crankshaft eye

Dimensions:
- Diameter is 9 -15 mm
- Length is 28 - 35 mm

Tolerances:
- Outer diameter
- Roundness within the micro-area
- Roughness

Production Process:
- Screw machined or Cold forged

Material:
- 15Cr 3
- 17Cr 3
- 16 NiCrMo 2

Extruded parts

Extrusions parts

Type of parts:
- Extruded parts

Production Process:
- Extrusion / Co-Extrusion

Extrusions parts

Function:
- Liner
- Blade Guards with partial printing
- Handle Hose

Material:
- PA6.6 nature (Liner)
- Hard-PVC (Blade Guards)
- Foamed Soft-PVC (Handle Hose)

Filter

Filter

Type of parts:
- Air and liquid filter

Function:
- Filtering of air and liquids (fuel, water, oil)

Special Features:
- Delivery requirement of air filter: the two sides can be clamped
- Filter texture must be assured without pre-damaging

Tolerances:
- Standards

Production Process:
- Stamping, plastic injection molding

Material:
- Generally all industrial filters (PA or fleece-fabric)
- Plastic with certain strength, mainly PA and POM

Fuel-, oil- and impulse hoses

Fuel-, oil- and impulse hoses

Function:
- Transfer oil and fuel mixtures

Special Features:
- Straight hoses
- S-formed hoses
- 3-dimensional hoses

Production Process:
- IM (molded rubber parts)

Material:
- NBR
- NBR / PVC
- FPM

Gaskets

Gaskets

Type of parts:
- Exhaust
- Cylinder
- Crankcase
- Valve cover and flat gaskets

Special Features:
- Cylinder gasket with a crimp of 0,35 mm and coated on both sides

Dimensions:
- Thickness is 0,3 -0,75 mm

Production Process:
- Cutting with water-jet
- Laser
- Full steel toolings

Material:
- AFM Material
- NBR
- St2
- Retall
- Sigraflex

Gear head attachment

Gear head attachment

Special Features:
- Total engineering capability
- Design
- Prototype
- Tests and then a mass production
- Assembly: Half manual / half automatic

Material:
- Al/Mg-casting
- Gear
- Plastic and rubber parts
- Bearings
- Turning parts
- Stamping parts

Grass cutting blades

Grass cutting blades

Function:
- Removal of tough, telted grass, nettles and reed

Special Features:
- High wear ability and bending strength
- Must be supported by documentation for 10 years
- Has to be traceable back to the steel making

Dimensions/Weigh:
- Diameter:
  - 230 mm (2/4 cutting edges)
  - 250 mm (40 cutters)
  - 255 mm (8 cutting edges)
- Material thickness is1,8 mm

Tolerances:
- Bending test according to ISO 7438
- Bolt hitting test according to EN 31806

Production Process:
- Stamping
- Grinding
- Embossing
- Hardening
- Varnishing
- Printing

Material:
- Finely desulfurized heat treated steel (50 Cr Mo 4) or similar (SKS 5)

Hedge trimmer blades

Hedge trimmer blades

Type of parts:
- Lasered blades
- Or punched blades

Function:
- 2 countercurrent pieces, one or two side cutting blade (set).

Special Features:
- Material
- Blade geometry shape
- Durability

Dimensions:
- Total length is from 420 to 1,000 mm
- Width is 74 mm
- Thickness is 2,26 mm

Tolerances:
- Form and position tolerances according to ISO 1101 / DIN 7167
- Work piece edges according to DIN 6784

Production Process:
- Punching
- Stamping
- Laser cutting
- Grinding

Material:
- Strip steel DIN 1544 (SWN-Stihl Specs 31 153), C75 H+A, 48+2/-1 HRC; tensile strength is1,450 - 1,550 N/mm

Magnesium - Die casting parts

Magnesium - Die casting parts

Type of parts:
- Magnesium Die-casting parts

Special Features:
- In some cases, powder coating is necessary
- Trembling
- Crank cases require special leakage tests
- Sourcing of assemblies (e.g. gearboxes with bushings, bearings and cylindrical pins etc.)

Weight:
- Up to 200g

Material:
- GO-MgAl 9 to 1 / AZ91C

Muffler

Muffler

Type of parts:
- Metal stamping and deep drawn components

Function:
- Sound reduction according to the reflection principle

Special Features:
- Design in close cooperation with suppliers. Supplier need specifical know-how in the development of muffler for small engines
- Highly thermic and mechanical (vibrations)
- Working conditions subject to registration in some countries

Dimensions:
- Approximately 200- 900 ccm

Tolerances:
- Standard for punching

Production Process:
- Punching
- Deep drawing
- Crimping
- Welding
- Soldering
- Painting
- Black oxydizing

Material:
- Sheet steel
- Sheet stainless steel
- And sheet aluminum

Needle and ball bearings

Needle and ball bearings

Function:
- Transmittance of rotation

Special Features:
- Needle bearings are copper plated or silver plated
- Ball bearings have plastic cages of PA66 25 % GF
- Engine r.p.m. maximum 16.000

Dimensions:
- Needle bearings with an inner diameter of 10 mm - 24 mm
- Ball bearings: 6002, 6201, 6202, 6203

Tolerances:
- According to DIN, i.e. special drawing requirements

Material:
- Needle bearing: 25CrMo4, PA66
- Ball bearing: 100 Cr6

Oil seal rings

Oil seal rings

Function:
- Sealing of the crank case

Special Features:
- Height number of revolutions of the crank shaft
- Maximum 15.000 RPM

Dimensions:
- Inner diameter is 8 - 17 mm

Production Process:
- IM

Material:
- NBR
- HNBR
- PTFE
- FPM

Piston

Piston

Dimensions:
- Diameter is approximately 35 - 65 mm

Production Process:
- Gravity and die casting metal
- Metal cutting

Production Process:
- Gravity and die casting metal
- Metal cutting

Material:
- Chill-casting: similar to Al Si 18 Cu Mg Ni (not standardized special alloy)
- Die cast: Al Si 17 Cu Mg (ISO 3522) / B3900 (ASTM B85)

Rewind spring

Rewind spring

Function:
- Winding up the starter rope (similar to return of safety belt)

Special Features:
- Spring contour and spring ends
- Edges of band is not sharp
- Cycle stress > 30.000

Dimensions:
- Extended length is approximately 2000 mm

Production Process:
- Spring winding

Tolerances:
- Standards

Material:
- Spring steel band, e.g. (Bd DIN 1544 0,5 X 5 rk - C100)

Starter rope

Starter rope

Function:
- Transmit force to start the engine

Dimensions:
- Φ 2.7 mm
- Φ 3 mm
- Φ 3.5 mm
- Φ 4.5 mm

Production Process:
- Braided rope with core
- Cut to length

Material:
- According to STIHL Specifications (PA or PES)