BAER HSSE Machine Tap - 35° RSP - MF 12 x 1.25 - DIN 374

€28.27*

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Item no. 120601021
EAN 4058462020087
Product information

BAER HSSE Machine Tap - 35° RSP - MF 12 x 1.25 - DIN 374

Our machine taps are powerful and reliable taps for efficient machining in one step with the machine. Machine taps are used especially in industrial manufacturing. They can be used in CNC machines, thread cutting machines, cordless drills and pneumatic tapping arms, among others. As they are characterised by high efficiency and low production costs, they are often used in series production. The thread is cut by machine in one operation. Thus, although the BAER machine tap can basically be compared with short machine taps, it is designed for use with the machine.
The machine tap can be used for blind holes, as the short chamfer and the spiral flutes ensure that the chip is discharged to the rear of the hole.
Every material shows individual chip behaviour. Therefore, screw taps must have the correct rake angle and - for even better results - a specially treated surface. This is the only way to achieve a good chip transport and to produce a thread that is true to gauge.
The high quality of the cobalt-alloyed HSSE steel we use ensures that our tools are extremely durable and robust. Due to special hardening processes and repeated tempering the hardness structure is very homogeneous, which forms the ideal basis for a genuine BAER screw taps. This increases the toughness and stability of the screw taps, allowing them to remain in use for longer.

Dimensions

Diameter 12
Nominal diameter in inches 0,472
Nominal diameter in mm 12
Pitch 1,25
Pitch in mm 1,25
Dimension MF 12 x 1,25

Characteristics

Product group Screw taps
Product type Machine taps
Thread standard MF: Metric ISO fine thread according to DIN 13
Tolerance ISO2/6H
Direction Right
Standard DIN 374
Tensile strength at room temperature up to 900 N/mm² | 27.1 HRC
Material HSSE bright

Core hole diameter: 10.8 mm
Core hole diameter
10.8 mm
Bild Lochtyp: https://media.baer.tools/media/vector/fe/c5/5a/sackloch.svg
Hole type
Blind hole up to 3 x D
Bild Form: https://media.baer.tools/media/vector/c3/81/d5/gewindebohrer_spiral_nuten.svg
Form / Geometry
Form C 35° RSP
Bild Anschnitt: https://media.baer.tools/media/vector/59/5d/26/gewindebohrer_anschnitt.svg
Chamfer
2-3 threads
Bild Spanabfuhr
Chip removal
Chips are removed upwards against the cutting direction
Bild Kühlung: https://media.baer.tools/media/vector/41/a7/9a/gewindebohrer_aussenkuehlung.svg
Cooling
External cooling and lubrication
Bild Material: https://media.baer.tools/media/vector/c8/8d/2f/gewindebohrer_blank.svg
Material
HSSE bright
Bild Zugfestigkeit: https://media.baer.tools/media/vector/c0/4a/39/zugfestigkeit.svg
Tensile strength at room temperature
up to 900 N/mm² | 27.1 HRC
Tolerance: ISO2/6H
Tolerance
ISO2/6H

Applications

  • Materials with good machinability up to 900 N/mm²
  • Unalloyed and low-alloy steels

Examples of applications

  • Spark plug thread M12x1,25
  • Glow plug thread M12x1,25
  • compatible to threads of spark plugs and glow plugs of various manufacturers like BOSCH, NGK, Brisk etc.
  • Wheel bolt M12x1,25
  • Wheel hubs M12x1,25
  • Wheel bolts M12x1,25
  • Wheel nuts M 12x1,25

Technical drawing

D1 MF 12 x 1,25
D2 9 mm
L1 100 mm
L2 15 mm
Diameter 12
Square 7 mm

Application – Sample materials for taps

Unalloyed construction steelsCutting speed vc in m/min
1.0037St 37-25 - 12
1.0044St 44-25 - 12
1.0039S 235JRG1+CR5 - 12
1.0060St 60-25 - 10
Free-cutting steelsCutting speed vc in m/min
1.07189 SMnPb 285 - 12
1.072110 S 20 5 - 12
1.07369 SMn 365 - 12
1.072635 S 205 - 10
Cast steelCutting speed vc in m/min
1.0420GS-388 - 15
1.1120GS-20 Mn 55 - 15
1.5633GS-24 Ni 85 - 12
1.7379GS-18 CrMo 9 105 - 12
Alloyed construction steelsCutting speed vc in m/min
1.541515 Mo 35 - 12
1.562214 Ni 65 - 10
1.733513 CrMo 4 45 - 10
1.771514 MoV 6 35 - 10

Cutting speed vc [m/min] = (Outer diameter * π * speed) / 1000

Rotation speed n [1/min] = (Cutting speed in m/min * 1000) / (Outer diameter * π)

Feedrate programming [mm/min] = speed * pitch

Please note that the above cutting speeds are indicative and must be adjusted depending on lubrication and actuation.

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