Daejin Trading Company

Gun Drill

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Daejin Trading Company
[Korea]

Address
2F, 777-5, Daun-dong, jung-gu, Ulsan
Phone
82-52-2499166
Contact name
Kibong Park

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Product Details

Description

Order Standard
Drill
Standard 		Pipe
Standard
 Drill
Standard		 Pipe
Standard
2.40~2.49 2.3 5.50~5.69 5.3
2.50~2.59 2.4 5.70~5.99 5.5
2.60~2.69 2.5 6.00~6.24 5.8
2.70~2.79 2.6 6.25~6.44 6.0
2.80~2.89 2.7 6.45~6.74 6.2
2.90~3.09 2.8 6.75~6.99 6.5
3.10~3.35 3.0 7.00~7.29 6.7
3.36~3.55 3.2 7.30~7.59 7.0
3.56~3.79 3.4 7.60~7.79 7.3
3.80~3.99 3.6 7.80~7.99 7.5
4.00~4.29 3.8 8.00~8.29 7.7
4.30~4.49 4.1 8.30~8.69 8.0
4.50~4.79 4.3 8.70~9.00 8.4
4.80~4.99 4.6 9.01~9.69 8.7
5.00~5.19 4.8 9.70~10.09 9.4
5.20~5.49 5.0 10.10~10.59 9.8
       
Drill
Standard		 Pipe
Standard		 Drill
Standard		 Pipe
Standard
10.60~10.89 10.3 18.60~19.50 18.2
10.90~11.59 10.6 19.51~20.50 19.0
11.60~11.89 11.3 20.51~21.50 20.0
11.90~12.59 11.6 21.51~22.60 21.0
12.60~12.89 12.3 22.61~23.60 22.0
12.90~13.59 12.6 23.61~24.60 23.0
13.60~13.89 13.3 24.61~25.60 24.0
13.90~14.59 13.6 25.61~26.60 25.0
14.60~14.89 14.3 26.61~27.60 26.0
14.90~15.59 14.5 27.61~28.60 27.0
15.60~15.89 15.2 28.61~29.60 28.0
15.90~16.59 15.5 29.61~30.60 29.0
16.60~16.89 16.2 30.61~32.60 30.0
16.90~17.59 16.5 32.61~34.69 32.0
17.60~17.89 17.2 34.70~36.69 34.0
17.90~18.59 17.5 36.70~38.69 36.0
    38.70~40.00 38.0

Drill Type

Tip Length
øD (㎜) Tip ℓ (㎜) øD (㎜) Tip ℓ (㎜)
3 Less
13
3 More 4 Less
15
4 More 5 Less
20
5 More 10 Less
25
10 More 15 Less
30
15 More 20 Less
35
20 More 25 Less
40
25 More 30 Less
45
30 More
50

Selection of Cuttingedge Angle
Type Cutting Edge Angle Work Materids
θ
No. 1 30 ˚ Cast iron, Stainless steels
No. 2 42 ˚ Carbon steel, Alloy steel
No. 3 15 ˚ Brittle work materids

A Shank Standard
øD (㎜) ød2 (㎜)
　 　 　　 　5.5 Less 12.70
　5.5 More 12.70 Less 19.05
12.70 More 20.00 Less 25.40
20.00 More 25.40 Less 34.75
25.40 More 30.00 Less 38.10

B Shank Standard
Shank-Major diameter Size The screw evening sunlight
ød2 (㎜) ℓ₁ W H d₃ d₄ ℓ₂
12.70 30 9.5 5 3 10 38 M6 x 1.0
19.05 35 15 5 6 15 43 M10 x 1.25
25.40 35 20 8 8 22 48 M14 x 1.5
31.75 More 40 24 10 10 26 57 M18 x 1.5


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