PFERD 22774 TOUGH Carbide Bur, 14 degree Taper DBL Cut 3R, 1/2″ x 1-1/8″ x 1/4″ Ext. Shank

PFERD 22774 TOUGH Carbide Bur – 14 degree Taper DBL Cut (3R) – 1/2″ x 1-1/8″ x 1/4″ Ext. Shank – SL-4L6

PFERD produces an extensive range of top quality carbide burs and bi-metal hole saws. PFERD burs deliver very high stock removal performance over their entire service life, providing outstanding results in minimal time.

The TOUGH cut has been specially designed for tough operating conditions in shipyards, foundries and steel construction. They are also ideal for use in all manufacturing sectors where, due to the difficult production environment, tooth breakages or other damage to conventional burs is a frequent occurrence.

Materials that can be worked:

Annealed cast iron	Grey/nodular cast iron (GG/GJL, GGG/GJS)	Steel, cast steel
Black cast iron (GTS, GJMB)	Hardened, heat-treated steels over 1,200 N/mm2 (over 38 HRC)	Steels up to 1,200 N/mm² (< 38 HRC)
Case-hardened steels	Hardened, heat-treated steels over 700 N/mm² (> 220 HB)	Steels up to 700 N/mm² (< 220 HB)
Cast iron	Steel	Tool steels
Cast steel	Steel materials with a hardness over 54 HRC	White annealed cast iron (GTW, GJMW)

Applications:

Milling out

Weld dressing

Deburring

Cutting out holes

Surface work

Milling

Drive types:

Flexible shaft drive

Straight grinder

Specifications:

Bur dia.	1/2
Bur length	1-1/8
SCTI no.	SL-4L6
Shank dia.	1/4
Overall-length	7-3/16
Cut	TOUGH
Radius	.130
Angle	14 °
Packing unit	1 pcs.
EDP number	22774

Related Products:

22346 – TOUGH Carbide Bur, 14° Taper DBL Cut 3R, 1/2″ x 1-1/8″ x 1/4″ Shank