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Tap extractor/tap remover

Tap extractor

Design: Very durable tool with spring tempered and adjustable fingers. The guide sleeve can be moved lengthways and therefore takes very high torsion forces. Application: For loosening and unscrewing broken taps with 3 slots (order no. 1852) or 4 slots (order no. 1848). The fingers are inserted into the slots on the broken tap and secured with the guide bush by sliding the upper retainer ring. The broken off tap piece is moved back and forth with a tap wrench until it loosens and can be screwed out.

1 Cutting Tools

1852 1848

For 3-slot tap.

For 4-slot tap.

1848

Thread 1852

Order No.

BSW thread BSW thread 1852 1852 1848 1848 UNC/UNF thread 1/8 Nr. 5 – – 5/32 Nr. 8 – 5/32 3/16 – Nr. 8 3/16 1/4 – – 1/4 5/16 – – 5/16

Order No.

BSW thread BSW thread 1852 1852 1848 1848 3/8 – – 3/8 1/2 – – 1/2 9/16 – – – 5/8 – – 5/8 – – – 3/4 UNC/UNF thread

0030 0040 0050 0060 0080

M3 M4 M5 M6 M8

23.10

–

0100 0120 0140 0160 0200

M10 M12 M14 M16 M20

25.30 25.30 27.40 27.40

23.10 23.10 23.10 23.10 24.20 24.20 25.30 25.30

41.30

–

41.30 41.30

–

50.50

(178)

Replacement finger set

1853 1849

3 piece set for 3-slot tap.

4 piece set for 4-slot tap.

1849

Thread 1853

Order No.

BSW thread

UNC/UNF thread

Order No.

BSW thread

UNC/UNF thread

1853 1849

0030 0040 0050 0060 0080

M3 M4 M5 M6 M8

1.38

–

1/8

Nr. 5

– –

0100 0120 0140 0160 0200

M10 M12 M14 M16 M20

2.39 2.39 3.12 3.12

3/8 1/2

– – – – –

1.38 1.38 2.20 2.20 2.20 2.20 2.39 2.39

5/32 Nr. 8

3/16

– – –

Nr. 8

3.30

–

9/16

1/4

– –

4.04 4.04

5/8 3/4

5/16

–

4.59

(178)

Tap extractor set

Design: Supplied in a sturdy plastic cassette, incl. respective tap extractors and the right replacement finger sets.

1854

Number

Order No. 0010 0020 0030 0040

Design

Set contents

6-piece 10-piece 6-piece 10-piece

155.50 304.00 155.50 334.50

3-slot 3-slot 4-slot 4-slot

M4; 5; 6; 8; 10; 12

M3; 4; 5; 6; 8; 10; 12; 14; 16; 20

M4; 5; 6; 8; 10; 12

M4; 5; 6; 8; 10; 12; 14; 16; 20; 22

(178)

Tap borer

Design: Solid carbide, type N. The Tap borer has 3 blades. Application: Extraction must take place dry at ca. 1500–3500 rpm. With use of the right tap bore-out tool, the core of the tap is quickly bored out and the rest of the tap can be cleanly blown out of the drill hole. The workpiece must be clamped very steadily so that movement does not happen at higher speeds. A centring must be produced first by starting the tap bore-out tool up several times if the tap has broken off at an angle. Boring out can only be started now. Furthermore, the chips should be removed by "air blow" several times. A vibration can be felt just before the end of the bore-out process. The extractor should now be removed. The new thread can then be cut with a tap. Due to the high stresses caused by boring out, the cutting edges of the tap bore-out tool need to be resharpened from time to time.

VHM Typ N Solid carbide y e

Z 3

DIN 6535-HA

1854

d 1 h10 ∅ mm

Order No.

Thread

Total length L1 mm

Cutting edge length L2 mm

Order No.

Thread

Total length L1 mm

Cutting edge length L2 mm

0400 0500 0600 0800

3.3 4.2 5.0 6.8

36.80 39.00 43.10 58.20

M4 M5 M6 M8

50 50 50 60

15 15 15 20

1000 1200 1600 2000

8.5

73.40 90.20

M10 M12 M16 M20

70 75 100 100

25 30 40 50

10.2 14.0 17.5

153.50 269.50

(176)

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