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Home --> Power tools accessory >metal drill bits  > HSS jobber drill bits, fully ground, straight shank

HSS jobber drill bits, fully ground, straight shank

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* hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit.
* 118 degree point angle design for general purpose.
* polished flute for the most accurate hole dimensions and high concentricity.
* economical high speed steel bit for general drilling.
* for drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.

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* 135 degree split point starts on contact in all types of metal, no walking or skating
* fully ground body, bright finish for the most accurate hole dimensions and high concentricity.
* hardened high speed steel body provides additional safeguard.
* for general using in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.

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 dia.

working length

overall length

ORDER NUMBER

1/16

7/8

1-7/8

M102-178

5/64

1

2

M102-200

3/32

1-1/4

2-1/4

M102-214

7/64

1-1/2

2-5/8

M102-258

1/8

1-5/8

2-3/4

M102-234

9/64

1-3/4

2-7/8

M102-278

5/32

2

3-1/8

M102-318

11/64

2-1/8

3-1/4

M102-314

3/16

2-5/16

3-1/2

M102-312

13/64

2-7/16

3-5/8

M102-358

7/32

2-1/2

3-3/4

M102-334

15/64

2-5/8

3-7/8

M102-378

1/4

2-3/4

4

M102-400

17/64

2-7/8

4-1/8

M102-418

9/32

2-5/16

4-1/4

M102-414

19/64

3-1/16

4-3/8

M102-438

 5/16

3-3/16

4-1/2

M102-412

 21/64

3-5/16

4-5/8

M102-458

 11/32

3-7/16

4-3/4

M102-434

 23/64

3-1/2

4-7/8

M102-478

 3/8

3-5/8

5

M102-500

 25/64

3-3/4

5-1/8

M102-518

 13/32

3-7/8

5-1/4

M102-514

 27/64

3-5/16

5-3/8

M102-538

 7/16

4-1/16

5-1/2

M102-512

 29/64

4-3/16

5-5/8

M102-558

 15/32

4-5/16

5-3/4

M102-534

 31/64

4-3/8

5-7/8

M102-578

 1/2

4-1/2

6

M102-600

 33/64

 4-13/16

 6-5/8

M102-658

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                               Letterman United Corp. Taiwan     No. 177, Wun-Ya St. Wu-Chi , Taichung 435, Taiwan.

                                TEL : 886-4-26567334  FAX : 886-4-26567342   E-mail : letterman888@seed.net.tw or letterman999@gmail.com

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