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HSS left hand drill bit

HSS  left hand drill bit
Annular Cutter: HSS
Product Description:

1). HSS drills for metal 

2). Available in HSS-Co, HSS
3). Can supply different surface coating
4). High quality with long life

 

 

HSS Twist Drill Bits

 

1.Material:HSS M42,M35,6542(M2),9341,4341,4241

 

 

2.Finish:Tin coated,coffee,bright,rainbow colour,Black oxide,Black flute & bright shank

 

 

3.Manufactory process:roll forged,edge ground,fully ground

 

 

4.Standard:DIN 338 (jobber series)

 

                     DIN 340 (long series)

 

                     DIN 1897 (stub series)

 

5.Diameter:1mm-20mm

 

 

6.Flatted shank prevents slippage in three jaw chuck

 

 

7.point angle:118 degree,135 degree split point

 

 

8.Advanced equipment and technology

 

 

9.certification:ISO9001

 

 

10.Very advantageous price

 

 

11.Quality guaranteed

Technique parameter:

D: Diameter    L1: Overall Length   L2: Flute Length

 

D

L1

L2

D

L1

L2

mm

mm

mm

mm

mm

mm

1.0

34

12

7.0

109

69

2.0

49

24

8.0

117

75

3.0

61

33

9.0

125

81

4.0

75

43

10.0

133

87

5.0

86

52

11.0

142

94

6.0

93

57

12.0

151

101

 

* Other sizes are available according to customer's demand

 

 

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