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Straight Shank Tap Holders

Straight Shank Synchro Plus™

Features and benefits
  • Designed to optimize tool life in synchronous tapping, first choice for rotating tapping applications

  • Reduces axial cutting forces up to 50%

  • Modular design increases application flexibility by working with existing end mill and whistle notch adapters

  • Coolant through capability up to 50 bar leads to better tool life

  • Uses standard ER tap collets for reliable and repeatable production processes

  • For use with taps from 4 - 20 mm (3/16 – ½ inch)

  • Tap follows its own lead into the hole instead of being forced by the machine spindle

  • 3 micron run-out

  • Reinforced outer wall for the collet seat

  • Balanced nut & assembly to G2.5 at 25,000 rpm
Product specifications
Product # 5525781
ISO Catalog Number SS25SYTER20073M
ANSI Catalog Number SS25SYTER20073M
[CST]Catalog Collet Series ER20
Tap Range Metric M4,5
[D]Adapter/Shank/Bore Dia mm 25,0
[D11] Lock Nut Dia Metric 34
[D2]Body Dia 1 Workpce Side mm 34
[L1]Gage Length 1 Metric 76,60
[L9]Clamping Length Metric 45
Torque Catalog Newton Meters 32-40
Torque Catalog Foot Pounds 23-29
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Straight Shank Synchro Plus • Metric

Filter By:
Product # ISO Catalog Number ANSI Catalog Number Grade [CST]Catalog Collet Series Tap Range Metric [D]Adapter/Shank/Bore Dia mm [D11] Lock Nut Dia Metric [D2]Body Dia 1 Workpce Side mm [L1]Gage Length 1 Metric [L9]Clamping Length Metric Torque Catalog Newton Meters Torque Catalog Foot Pounds
5525781 SS25SYTER20073M SS25SYTER20073M ER20 M4,5 25,0 34 34 76,60 45 32-40 23-29
5525782 SS25SYTER32087M SS25SYTER32087M ER32 M10 - M20 25,0 50 45 90,90 52 90-113 66-83

Product Usage

Uses and application

  • 100018359
  • Tapping: Through Coolant
  • Shank - Cylindrical Whistle Notch 2°
  • ER Collet

Spare Parts for Straight Shank Synchro Plus • Metric

ER20INTERNAL COOLANT LOCKNUT -
ER20INTERNAL COOLANT LOCKNUT -