直柄超长麻花钻 (摘自GB/T 6135.5—1996)  (mm)

d

h8

l＝125

l₁＝180

l＝160

l₁＝100

l＝200

l₁＝150

l＝250

l₁＝200

l＝315

l₁＝250

l＝400

l₁＝300

2.0

×

×

—

—

—

2.5

×

×

3.0

×

×

3.5

×

×

×

4.0

×

×

×

×

4.5

×

×

×

×

5.0

×

×

×

×

5.5

×

×

×

×

6.0

×

×

×

×

6.5

×

×

×

×

7.0

×

×

×

×

7.5

×

×

×

×

8.0

—

×

×

×

8.5

×

×

×

9.0

×

×

×

9.5

×

×

×

10.0

×

×

×

10.5

×

×

×

11.0

×

×

×

11.5

×

×

×

12.0

×

×

×

12.5

×

×

×

13.0

×

×

×

13.5

×

×

×

14.0

×

×

×