High-performance tungsten carbide burs, EDGE cut, Conical counterbore - Shape K

Bearing Carbide Bur SK-6 EDGE Cut 45° 5/8" x 1/8", 1/4"

EDP:
25105

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Dia. external
Length, cut
Technical information
Bearing Carbide Bur SK-6 EDGE Cut 45° 5/8" x 1/8", 1/4"

Item number Global part number
21725105
Angle
90 °
Cut
EDGE
Dia. ball bearing
0,394 Inch
Dia. external
0,630 Inch
Dia. shank
1/4 Inch
EDP no.
25105
Length, construction
0,472 Inch
Length, cut
0,118 Inch
Overall length
2,047 Inch
RPM from, grey cast iron, white cast iron
12000 RPM
RPM from, hard non-ferrous metals
5000 RPM
RPM from, hardened, heat-treated steels over 370 HV (38 HRC)
12000 RPM
RPM from, high-temperature-resistant materials
5000 RPM
RPM from, soft non-ferrous metals
12000 RPM
RPM from, steels up to 370 HV (38 HRC)
12000 RPM
RPM to, grey cast iron, white cast iron
18000 RPM
RPM to, hard non-ferrous metals
7000 RPM
RPM to, hardened, heat-treated steels over 370 HV (38 HRC)
15000 RPM
RPM to, high-temperature-resistant materials
9000 RPM
RPM to, soft non-ferrous metals
18000 RPM
RPM to, steels up to 370 HV (38 HRC)
18000 RPM
SCTI-No.
SK-6
Packaging unit
1 piece
Description

EDGE cut tungsten carbide burs have been specifically developed for precise work on edges. The special design allows the bur to run directly along edges without damaging the workpiece. Exact edges can be created in a single step - with either defined chamfers of 30° or 45°, or to a defined radius of 1/8". Rounding edges is a precautionary measure against corrosion according to: ISO 129443, ISO 85013, SOLAS XII/6.3 (Ref. T4/3.01 MSC.1/Circ.1198).

Cone counterbore bur for producing precisely defined chamfers. Designed for counterboring and chamfering of defined 45° chamfer angles.

Advantages
  • Special design allows for precise handling.
  • Safe and comfortable use.
  • Exact edge shapes can be created in a single step – with either defined chamfers of 30° or 45°, or to a defined radius of 1/8”.
  • The highly accurate concentricity enables precise work free from chatter marks. This considerably reduces wear on the bur and power tool or machine.
Recommendations for use
  • Use the burs counter­rotationally for quick stock removal. For a fine surface finish, run the bur back over the edges in the same direction of rotation.
  • If possible, use burs with the EDGE cut with the PFERD compressed-air straight grinder PG 3/210 with the matching guide sleeve EFH PG 3/210.
  • The smaller the bur diameter is in the area being used, the higher the recommended rotational speed can be.
Workpiece materials
Annealed cast iron
Black annealed cast iron (GTS, GJMB)
Brass
Bronze
Case-hardened steels
Cast iron
Cast steel
Cobalt-based alloys
Copper
Fibre-reinforced thermosetting plastics (GRP, CRP)
Grey/nodular cast iron (GG/GJL, GGG/GJS)
Hardened, heat-treated steels over 370 HV (38 HRC)
Hard non-ferrous metal
Nickel-based alloys (e.g. Inconell and Hastelloy)
Plastics
Steel
Steel, cast steel
Steels over 220 HV (> 95 HB)
Steels up to 220 HV (< 95 HB)
Steels up to 370 HV (< 38 HRC)
Thermoplastics
Titanium
Titanium alloys
Tool steels
White annealed cast iron (GTW, GJMW)
Zinc
Applications
Chamfering
Deburring
Milling
Working on edges
Working on edges (chamfering, rounding)
Compatible power tools
Flexible shaft drive
Robot
Stationary machines
Straight grinder
Tool machine
PFERDVALUE

PFERDEFFICIENCY

recommends EDGE cut burs for preventing fatigue, saving resources, and producing excellent work.
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