ZHENYUAN TOOLS - HSS Double Ended Twist Drill Bits

　 　
    Product Description:
     HSS Twist Drill Bits, Double Ended
     Fully Ground
     4341,9341,M2,M35,M42
     3.0mm-6.5mm
     White, TIN Coated, Rainbow Color, Bright, Black & Bright, Zirconium Coating, Black, Coffee Color, etc.
     118°or 135°
* this drills have flutes and cutting points on both ends. this allows the user with the ability to reverse the drill and utilize both ends.
* 135 split point starts drilling immediately.
* twice as many holes as a single end drill bit.
* used primarily in small machine shops and automatic body shops for drilling holes for  sheet metal screws or rivets.
* for drilling thin sheet metals, steel sheet, sheet brass, sheet aluminum and plastic sheets.

 dia.

working length

overall length

2

8

38

2.5

10

43

3

11

46

3.2

11

49

3.5

14

52

4

14

55

4.5

17

58

5

17

62

5.5
19
66

6
19
66

6.5
22
70
 

 dia.

working length

overall length

1/16

3/8

1-1/2

5/64

3/8

1-1/2

3/32

3/8

1-11/16

7/64

1/2

1-13/16

1/8

1/2

1-13/16

9/64

5/8

2-1/16

5/32

5/8

2-3/16

3/16

5/8

2-5/16

7/32
3/4

2-5/8

1/4
3/4

2-7/8

#7
5/8
2-5/16

#11
5/8
2-5/16

#20
5/8
2-3/16

#26
5/8
2-1/16

#27
5/8
2-1/16

#30
1/2
1-13/16