Conical Drill Bits for Tube & Sheet Drilling

• Customized: Customized
• Standard: DIN, JIS, AISI
• Length: Jobber-length
• Type: Countersink Drill Bit
• Material: High Speed Steel
• Usage: Metal Drilling
• Model NO.: metric and inch
• Hardness: 64 HRC
• Coating: Tin
• Transport Package: Metal Box
• Specification: 1/8--7/8
• Trademark: stc
• Origin: China
• HS Code: 8207509000
• Production Capacity: 3000PCS/Month

Product Description

* Metric size made from high speed steel.
* Sizes for all standard machine tables.
 Safety-stop feature Prevents breaking the machine-table slot.
Threads stop one Short of going threads T nut to prevent a
 stud from jacking the nut out of the table. 

tin coating available on request.
 

STC042, THREE-FLUTE CENTER REAMER, Straight Shank, American Style

Pict

Included Angle: 60°, 82°, 90°, 100°

Max cut diameter

Shank Diameter

Overall Length

Max cut diameeter

Shank Diameter

Overall Length

1/4"

1/4"

1-1/2"

3/4"

1/2"

2-5/8"

3/8"

1/4"

1-3/4"

1"

1/2"

2-3/4"

1/2"

3/8"

2"

1-1/4"

3/4"

3"

5/8"

3/8"

2-1/4"

1-1/2"

3/4"

3"

STC042, 5-FLUTE COUNTERSINK, Straight Shank, American Style

Pict

Included Angle: 60°, 82°, 90°, 100°

Max cut diameter

Shank Diameter

Overall Length

Max cut diameter

Shank Diameter

Overall Length

1/2"

1/2"

3-7/8"

1"

1/2"

4-3/8"

5/8"

1/2"

4"

1-1/4"

1/2"

5"

3/4"

1/2"

4-1/8"

1-1/2"

1/2"

5-3/8"

7/8"

1/2"

4-1/4"

STC044, HSS 6-FLUTE CHATTERLESS COUNTERSINK, 

Pict

Included Angle: 60°, 82°, 90°, 100°

Max cut diameter

Shank Diameter

Overall Length

Max cut diameter

Shank Diameter

Overall Length

3/16"

3/16"

1-1/2"

3/4"

1/2"

2-3/4"

1/4"

1/4"

2"

7/8"

1/2"

2-3/4"

5/16"

1/4"

2"

1"

1/2"

2-3/4"

3/8"

1/4"

2"

1-1/4"

3/4"

3-3/8"

1/2"

1/4"

2"

1-1/2"

3/4"

3-1/2"

5/8"

1/2"

2-3/4"

2"

1"

4-3/8"

STC045, METRIC HSS COUNTERSINKS & DEBURRING TOOLS, 

Pict

Included Angle: 90°. Material: HSS, HSS-E

Cutting Range

Shank Diameter

Overall Length

Cutting Range

Shank Diameter

Overall Length

2 - 5

6

45

25 - 30

15

115

 5 - 10

6

50

30 - 35

15

125

10 - 15

10

65

35 - 40

18

135

15 - 20

12

85

40 - 50

18

165

20 - 25

15

105

Taper Shank Countersinks & Deburring tools Available also.

 

size	shank	overall length
1/8-1/2	1/4	2
1/4-3/4	3/8	2--1/4
3/16-1/2	1/2	3
1/8-3/8	1/2	2--1/4
3/8-7/8	3/8	2--1/4