Hufnagel Parting Off Tools and Boring Tools

Parting Off Tools         Boring Tools

Parting Off Tool Holder and Blades

D Parting off tool

Type D Features

  • Trapezoid parting-off cutters are relief ground in longitudinal directions.

  • The tapering of the cutting edge prevents any seizure in the workpiece
  • Used for all plunge-cutting or recessing and parting-off work.



Da Parting off tool

Type Da Features

  • Double-conical ground blades

  • Tapered towards the back

  • Cutting height of blade adjustable by repositioning of blade in holder.



Cut off Holders and Blades (all dimensions in mm)
Part No. Blade Size
height x width x length		 Holder Size
height x width x length		         Part No. Blade Size
height x width x length		 Holder Size
height x width x length
D1 8x2/1.5x75 20x12x75         DA-1 8x2/1.5x80 17x12x125
D2 10x2.5/1.8x100 26x14x100         DA-2 10x2.5/1.8x100 22x15x140
D3 15x4/3x150 32x16x150         DA-3 15x3.5/2.5x125 30x17x160
D4 18x5/3.8x160 40x20x160         DA-4 19x4.5/3.5x150 35x20x180
D5 21x5/3.8x200 44x26x200         DA-5 24x5.5/4x175 42x25x220



Boring Tools

Features

BN Boring Tool
  • Perfect cutting performance on account of preshaped forms

  • Profiles for roughing, cornering, threading or grooving

  • Easy regrinding just grind face of cutting edge

  • Form relief ground.
  • One piece construction

Boring Tools Standard Type BN (all dimensions in mm)
Part No. Overall Length Shank Length Shank Diameter forms G&F
min. hole		 forms N, 55° and 60°
min. hole		 recessing width form N
tol. +0.2mm
BN3 50 25 8 3    
BN5 60 35 8 5 5 1.1
BN5/10 60 35 10 5 5 1.1
BN7 65 35 8 7 7 1.5
BN8/10 65 35 10 8 8 1.5
BN10 65 45 8 10 10 2.0
BN10/10 65 32 10 10 10 2.0
BN13 75 52 10 13 13 2.5
BN16 100 78 10 16 16 3.0


 

 

 

Features

  • Perfect cutting performance on account of preshaped forms

  • Profiles for roughing, cornering, threading or grooving

  • Easy regrinding just grind face of cutting edge

  • Form relief ground.
  • One piece construction

Boring Tools Long Type BL (all dimensions in mm)
Part No. Overall Length Shank Length Shank Diameter forms
G& D
min. hole		 forms
N, 55° and 60°
min. hole		 recessing width
form N
tol. +0.2mm
BL3 100 70 10 3    
BL5 125 80 10 6 6 1.0
BL9 125 75 10 9 9 2.0
BL12 125 85 10 12 12 2.5
BL15 125 100 10 15 15 3.0

 



Features

BK boring Forms
  • Perfect cutting performance on account of preshaped forms

  • Profiles for roughing, cornering, threading or grooving

  • Easy regrinding just grind face of cutting edge

  • Form relief ground.
  • Two piece construction

Boring Tools with screw-on Profiled Boring Heads (all dimensions in mm)
Part No. Length of boring bar Shank Diameter Inside thread of boring head forms g,f, 55°, and 60°
min. hole		 forms n,
min. hole		 recessing width form n
tol. +0.2mm		 recommended Prism P
BK15 200 10 M6 15 18 2 P10
BK18 220 13 M8 18 22 2 P13
BK22 250 15 M10x1.25 22 25 3 P15
BK25 270 20 M12x1.25 25 28 3 P20
BK28 280 20 M14x1.25 28 31 4 P20
BK30 300 20 M15x1.25 30 33 4 P20
BK32 350 20 M15x1.25 32 35 4 P20
BK35 370 28 M18x1.25 35 39 5 P28
BK44 500 28 R 1/2" 44 48 5 P28

Boring Bar

 



P Prisms

Prisms for Boring Bars



Prisms P to match boring bars (all dimensions in mm)
Part No. Diameter of
Boring bar		 Length of Prism Cross-section
height x width		 for Boring Bars
P10 10 110 24x18 BK15
P12 12 110 24x20 H73-12, H74-12
P13 13 130 28x24 BK18
P15 15 130 31x28 BK22, H73-15, H74-15
P20 20 150 37x32 BK25, BK28, BK30, BK32, H73-20,H74-20
P28 28 180 53x50 BK35, BK44, H73-28, H74-28
P40 * 40 200 30x70 H73-40, H74-40
P50 * 50 200 40x80 H73-50, H74-50
P60 * 60 250 40x100 H73-60, H74-60

* single piece prism.

 

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