PFERD 44021 2-1/4″ POLISTAR-TUBE A/0 120 Grit 4mm Bore, 6 Star Layers (10pk)

PFERD 44021 2-1/4″ POLISTAR-TUBE A/0 120 Grit 4mm Bore, 6 Star Layers

PFERD offers a wide range of coated and non-woven abrasive tools for face-down grinding, belt grinding, peripheral grinding, surface conditioning, polishing, and much more.

POLISTAR-TUBE consists of multi-layered coated abrasive stars riveted together. They are designed specifically for working on the inner surfaces of pipes and pipe bends.

Engineered for use in pipes and pipe bends.

Materials that can be worked:

Aluminium	Copper	Soft non-ferrous metal
Annealed cast iron	Grey/nodular cast iron (GG/GJL, GGG/GJS)	Steel materials with a hardness over 54 HRC
Brass	Hardened, heat-treated steels over 1,200 N/mm2 (over 38 HRC)	Steel, cast steel
Cast steel	Other non-ferrous metals	Steels up to 1,200 N/mm² (< 38 HRC)

Applications:

Weld dressing

Deburring

Surface work

Structuring (matt finishing, brush matting and satin finishing)

Fine grinding in multiple steps

Drive types:

Flexible shaft drive

Straight grinder

Specifications:

Diameter	2-1/4
Grit size	120
Recom. RPM from	2500 RPM
Max. RPM	6350 RPM
Bore	4 mm
No. of layers	6 pcs.
Suitable arbors	EDP 44062
Packing unit	10 pcs.
EDP number	44021

Related Products:

44020 – 2-1/4″ POLISTAR-TUBE A/0 60 Grit 4mm Bore, 4 Star Layers

44022 – 2-1/4″ POLISTAR-TUBE A/0 180 Grit 4mm Bore, 6 Star Layers

44023 – 2-1/4″ POLISTAR-TUBE A/0 240 Grit 4mm Bore, 6 Star Layers