HSS Spiral Step Drill Bit, Amber Color

Item No.: 142-0501-04
HSS Grade: M35, 6542, 4341, 4241
Point Angle: 118/135 Split Point
Surface Color: Bright Finish, Tin-coated, Amber Color, TiCN
Flute: Straight Flute, Spiral Flute
Description Straight Flute Spiral Flute

HSS Spiral Step Drill Bit

Grade: M35, 6542, 4341, 4241
Point Angle: 118/135 Split Point
Surface Treatment: Bright Finish, Tin-coated, Amber Color, TiCN
Flute: Straight Flute, Spiral Flute
Features:
1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.
2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center.
3. A variety of hole diameters can be drilled using only one tool. 
4. The dimension of drilled hole is exact. 
5. Two Flute Design: provides longer life and better chip removal.
6. The Spiral Groove: creates better, less noise, less force has to be used.
7. Only for rotary use.




 

Surface Treatment:

01   Bright Finish (白身)
02   Tin-coated (镀钛)
03   Amber Color (烤黄)
04   TiCN (碳氮化钛)
 


Shank Available:

Tri-Flat Shank
R Flute Hex Shank

Double R Flute Hex Shank
 
 
   
Straight Flute
Product Code Size Range mm Steps Shank Dia. mm
141-0501 4-12mm x 5 5 6
141-0502 4.8-10.65mm x 5 5 6
141-0601 14-24mm x 6 6 13
141-0701 6-25mm x 7 7 10
141-0702 5-28mm x 7 7 9
141-0801 6-20mm x 8 8 9
141-0802 10-45mm x 8 8 13
141-0803 20-34mm x 8 8 13
141-0804 6-32mm x 8 8 10
141-0901 4-12mm x 9 9 6
141-0902 4-20mm x 9 9 8
141-0903 6-32mm x 9 9 13
141-0904 12-20mm x 9 9 10
141-0905 5.3-30.5mm x 9 9 9
141-0906 6-30.5mm x 9 9 10
141-0907 6.5-32.5mm x 9 9 10
141-1001 4-22mm x 10 10 10
141-1002 9-36mm x 10 10 13
141-1101 10-20mm x 11 11 10
141-1102 20-30mm x 11 11 13
141-1103 5.3-38.5mm x 11 11 13
141-1201 6-38mm x 12 12 10
141-1202 6-37mm x 12 12 10
141-1301 4-39mm x 13 13 10
141-1302 5-35mm x 13 13 13
141-1401 4-30mm x 14 14 10
141-1402 5-38mm x 14 14 13
141-1501 4-32mm x 15 15 10
141-1601 6-40mm x 16 16 13
 
Spiral Flute
Product Code Size Range mm Steps Shank Dia. mm
142-0501 4-12mm x 5 5 6
142-0502 4.8-10.65mm x 5 5 6
142-0601 14-24mm x 6 6 13
142-0701 6-25mm x 7 7 10
142-0702 5-28mm x 7 7 9
142-0801 6-20mm x 8 8 9
142-0802 10-45mm x 8 8 13
142-0803 20-34mm x 8 8 13
142-0804 6-32mm x 8 8 10
142-0901 4-12mm x 9 9 6
142-0902 4-20mm x 9 9 8
142-0903 6-32mm x 9 9 13
142-0904 12-20mm x 9 9 10
142-0905 5.3-30.5mm x 9 9 9
142-0906 6-30.5mm x 9 9 10
142-0907 6.5-32.5mm x 9 9 10
142-1001 4-22mm x 10 10 10
142-1002 9-36mm x 10 10 13
142-1101 10-20mm x 11 11 10
142-1102 20-30mm x 11 11 13
142-1103 5.3-38.5mm x 11 11 13
142-1201 6-38mm x 12 12 10
142-1202 6-37mm x 12 12 10
142-1301 4-39mm x 13 13 10
142-1302 5-35mm x 13 13 13
142-1401 4-30mm x 14 14 10
142-1402 5-38mm x 14 14 13
142-1501 4-32mm x 15 15 10
142-1601 6-40mm x 16 16 13
 
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