100 120 142 Degree Spot Drill and Chamfer Tool - spotting dia 3~18 mm, dia 20mm shank

  • 100 120 142 Degree Spot Drill and Chamfer Tool

Max. Hole: Ø16mm (0.630”), 17mm (0.669”) and 18.5mm (0.728”).
Tool holder: 99616-20 / 99616-3/4 series with 90 degree indexable carbide insert: N9MT11T3CT2T-H

  • • Indexable insert spotting drill holders for 100°/120°/142° spotting.
    • Spotting produces better hole position and geometrically uniform holes.
    • Increase tool life of the next drilling operation.
    • Applications : spotting and chamfering on milling machine, machining centers.
Holder
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Applications :
  • •spotting and chamfering on milling machine, machining centers.
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STEP Angle Part No Insert Size Ød L Dmax. Tmax.
100° 99616-20-100 N9MT11T3CT2T 20mm (0.787”) 100mm (3.937") 16mm (0.630”) 6.3mm (0.248”)
120° 99616-20-120 N9MT11T3CT2T 20mm (0.787”) 100mm (3.937") 17mm (0.669”) 4.76mm (0.187”)
120° 99616-3/4-120 N9MT11T3CT2T 3/4" 100mm (3.937") 0.669" 0.187"
142° 99616-20-142 N9MT11T3CT2T 20mm (0.787”) 100mm (3.937") 18.5mm (0.728”) 3.16mm (0.124”)
142° 99616-3/4-142 N9MT11T3CT2T 3/4" 100mm (3.937") 0.728" 0.124"
Insert
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- Single cutting edge design gives higher precision when spotting.
  • H-NC40 : K20F grade, for unhardened steel & cast iron.
    Good for high speed machining.
    Each insert has 2 cutting edges.
  • H-NC9076 : K20F grade, for non-ferrous material.
    Sharp edge and excellent surface finish on non-ferrous material.
    Each insert has 2 cutting edges.
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Part No Grade Coating Workpiece material
N9MT11T3CT2T H-NC40 TiN PMK
N9MT11T3CT2T H-NC9076 DLC MNS
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