PFERD 45784 4″ x 4″ Flap Drum – Coated 3/4″ Keyed A.H., Aluminum Oxide 150 Grit

PFERD 45784 4″ x 4″ Flap Drum – Coated 3/4″ Keyed A.H., Aluminum Oxide 150 Grit

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.

For universal work on medium-sized and large metallic surfaces, e.g. fine grinding work on large radii in container, food service and apparatus construction, and achieving consistent linear scratch patterns on large surfaces and contours in manual applications. Ideal for all conventional keyway systems.

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:

Drum grinders

Specifications:

Diameter	4
Height	4
Grit size	150
Recom. RPM from	3800 RPM
Max. RPM	6100 RPM
Bore	3/4
Packing unit	1 pcs.
EDP number	45784

Related Products:

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45781 – 4″ x 4″ Flap Drum – Coated 3/4″ Keyed A.H., Aluminum Oxide 60 Grit

45782 – 4″ x 4″ Flap Drum – Coated 3/4″ Keyed A.H., Aluminum Oxide 80 Grit

45783 – 4″ x 4″ Flap Drum – Coated 3/4″ Keyed A.H., Aluminum Oxide 120 Grit

45785 – 4″ x 4″ Flap Drum – Coated 3/4″ Keyed A.H., Aluminum Oxide 180 Grit