1/2 Inch HSS Silver & Deming Twist Drill Bits

• Customized: Customized
• Standard: JIS, AISI
• Length: Jobber-length
• Type: Twist Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Model NO.: 1/2 inch shank
• Size: 10mm to 50mm
• Transport Package: Plastic Tube
• Specification: DIN ANSI
• Trademark: stc
• Origin: Jiangsu
• HS Code: 82075090
• Production Capacity: 100000pcs/month

Product Description

We supply high quality reduced shank drill bits made from high speed steel M2.

Surface: White finish, black finish, oxide, tin coating.

Point angle: 118 or 135 degree.

All are 6" long and featheure a 1/2 reduced shank that fits all 1/2 drills.

Used for wood, metal and plastic.

STC030-4, 1/4" REDUCED SHANK TWIST DRILL, Jobber Length

Standard delivery with 118° point

Jobber Length.

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

17/64"

2-7/8"

4-1/8"

21/64"

3-5/16"

4-5/8"

25/64"

3-3/4"

5-1/8"

29/64"

4-3/16"

5-5/8"

9/32"

2-15/16"

4-1/4"

11/32"

3-7/16"

4-3/4"

13/32"

3-7/8"

5-1/4"

15/32"

4-5/16"

5-3/4"

19/64"

3-1/16"

4-3/8"

23/64"

3-1/2"

4-7/8"

27/64"

3-15/16"

5-3/8"

31/64"

4-3/8"

5-7/8"

5/16"

3-3/16"

4-1/2"

3/8"

3-5/8"

5"

7/16"

4-1/16"

5-1/2"

1/2"

4-1/2"

6"

STC030-3, 1/2" REDUCED SHANK TWIST DRILL, Jobber Length

Standard delivery with 118° point

Jobber Length.

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

25/64"

3-3/4"

5-1/8"

29/64"

4-3/16"

5-5/8"

33/64"

4-13/16"

6-5/8"

37/64"

5-3/16"

7-1/8"

13/32"

3-7/8"

5-1/4"

15/32"

4-5/16"

5-3/4"

17/32"

4-13/16

6-5/8"

19/32"

5-3/16"

7-1/8"

27/64"

3-15/16"

5-3/8"

31/64"

4-3/8"

5-7/8"

35/64"

4-13/16

6-5/8"

39/64"

5-3/16"

7-1/8"

7/16"

4-1/16"

5-1/2"

1/2"

4-1/2"

6"

9/16"

4-13/16

6-5/8"

5/8"

5-3/16"

7-1/8"

STC030-2, 1/2" SHANK SILVER & DEMING DRILL

Standard delivery with 118° point

Overall Length: 6" , Flute Length: 3" .

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

33/64"

3"

6"

49/64"

3"

6"

1-1/64"

3"

6"

1-17/64"

3"

6"

17/32"

3"

6"

25/32"

3"

6"

1-1/32"

3"

6"

1-9/32"

3"

6"

35/64"

3"

6"

51/64"

3"

6"

1-3/64"

3"

6"

1-19/64"

3"

6"

9/16"

3"

6"

13/16"

3"

6"

1-1/16"

3"

6"

1-5/16"

3"

6"

37/64"

3"

6"

53/64"

3"

6"

1-5/64"

3"

6"

1-21/64"

3"

6"

19/32"

3"

6"

27/32"

3"

6"

1-3/32"

3"

6"

1-11/32"

3"

6"

39/64"

3"

6"

55/64"

3"

6"

1-7/64"

3"

6"

1-23/64"

3"

6"

5/8"

3"

6"

7/8"

3"

6"

1-1/8"

3"

6"

1-3/8"

3"

6"

41/64"

3"

6"

57/64"

3"

6"

1-9/64"

3"

6"

1-25/64"

3"

6"

21/32"

3"

6"

29/64"

3"

6"

1-5/32"

3"

6"

1-13/32"

3"

6"

43/64"

3"

6"

59/64"

3"

6"

1-11/64"

3"

6"

1-27/64"

3"

6"

11/16"

3"

6"

15/16"

3"

6"

1-3/16"

3"

6"

1-7/16"

3"

6"

45/64"

3"

6"

61/64"

3"

6"

1-13/64"

3"

6"

1-29/64"

3"

6"

23/32"

3"

6"

31/32"

3"

6"

1-7/32"

3"

6"

1-15/32"

3"

6"

47/64"

3"

6"

63/64"

3"

6"

1-15/64"

3"

6"

1-31/64"

3"

6"

3/4"

3"

6"

1"

3"

6"

1-1/4"

3"

6"

1-1/2"

3"

6"

STC030-2, 3/4" SHANK SILVER & DEMING DRILL

Standard delivery with 118° point

Overall Length: 6" , Flute Length: 3" .

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

Size

Flute Length

Overall Length

1"

3"

6"

1-3/16"

3"

6"

1-3/8"

3"

6"

1-3/4"

3"

6"

1-1/32"

3"

6"

1-7/32"

3"

6"

1-7/16"

3"

6"

1-13/16"

3"

6"

1-1/16"

3"

6"

1-1/4"

3"

6"

1-1/2"

3"

6"

1-7/8"

3"

6"

1-3/32"

3"

6"

1-9/32"

3"

6"

1-9/16"

3"

6"

1-15/16"

3"

6"

1-1/8"

3"

6"

1-5/16"

3"

6"

1-5/8"

3"

6"

2"

3"

6"

1-5/32"

3"

6"

1-11/32"

3"

6"

1-11/16"

3"

6"