Drill Blanks With Point/Slot/Helical Coolant Channels(30°), Ground

TypeDiameter (mm)Tol. of GroundLength (mm)Tol. L (mm）B(mm）Tol.B
(mm)		T(mm)Tol.T
(mm)		ChamferInner Diameter
(Ød)		Tol. Ød (mm)Bolt Circle (TKØ)Tol. TKØ (mm）Pitch (±0.5°)Tol. Pitch(mm）Series
Ø6*3306h5/h6670/+1.51.5±0.20.90,+0.40.50.7±0.12.60,-0.432.65-0.65,+0.673*D
Ø8*3308h5/h680.50/+1.52±0.21.40,+0.40.61±0.1540,-0.443.53-0.86+0.89
Ø10*33010h5/h690.50/+1.52.5±0.21.650,+0.40.61.4±0.154.80,-0.654.41-1.08,+1.12
Ø12*33012h5/h61040/+1.52.5±0.21,750,+0.40.81.4±0.26.250,-0.865.3-1.30,+1.33
Ø14*33014h5/h61090/+1.53±0.22.150,+0.40.81.75±0.27.10,-0.876.18-1.51,+1.56
Ø16*33016h5/h6117.50/+1.53±0.22.30,+0.40.81.75±0.28.30,-0.887.06-1.73,+1.78
Ø18*33018h5/h6125.50/+2.03.5±0.22.50,+0.40.82±0.259.550,-0.897.95-1.95,+2.0
Ø20*33020h5/h61340/+2.03.5±0.22.70,+0.412±0.2510.40,-1.0108.8-2.16,+2.22
Ø6*3306h5/h6830/+1.51.5±0.20.90,+0.40.50.7±0.12.60,-0.432.65-0.65,+0.675*D
Ø8*3308h5/h692.50/+1.52±0.21.40,+0.40.61±0.1540,-0.443.53-0.86+0.89
Ø10*33010h5/h6104.50/+1.52.5±0.21.650,+0.40.61.4±0.154.80,-0.654.41-1.08,+1.12
Ø12*33012h5/h61200/+2.02.5±0.21,750,+0.40.81.4±0.26.250,-0.865.3-1.30,+1.33
Ø14*33014h5/h61260/+2.03±0.22.150,+0.40.81.75±0.27.10,-0.876.18-1.51,+1.56
Ø16*33016h5/h6135.50/+2.03±0.22.30,+0.40.81.75±0.28.30,-0.887.06-1.73,+1.78
Ø18*33018h5/h6145.50/+2.03.5±0.22.50,+0.40.82±0.259.550,-0.897.95-1.95,+2.0
Ø20*33020h5/h61560/+2.03.5±0.22.70,+0.412±0.2510.40,-1.0108.8-2.16,+2.22
Ø6*3306h5/h6980/+2.01.5±0.20.90,+0.40.50.7±0.12.60,-0.432.65-0.65,+0.677*D
Ø8*3308h5/h6107.50/+2.02±0.21.40,+0.40.61±0.1540,-0.443.53-0.86+0.89
Ø10*33010h5/h6132.50/+2.02.5±0.21.650,+0.40.61.4±0.154.80,-0.654.41-1.08,+1.12
Ø12*33012h5/h61570/+2.02.5±0.21,750,+0.40.81.4±0.26.250,-0.865.3-1.30,+1.33
Ø14*33014h5/h61840/+2.03±0.22.150,+0.40.81.75±0.27.10,-0.876.18-1.51,+1.56
Ø16*33016h5/h6206.50/+2.03±0.22.30,+0.40.81.75±0.28.30,-0.887.06-1.73,+1.78
Ø18*33018h5/h6225.50/+2.03.5±0.22.50,+0.40.82±0.259.550,-0.897.95-1.95,+2.0
Ø20*33020h5/h62470/+2.03.5±0.22.70,+0.412±0.2510.40,-1.0108.8-2.16,+2.22

  • Other dimensions available upon request

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