Back Turn

Ordering Code

Insert ISO Code

Application

Dimension

L

T

θ

r

GW1335-BT35-310-R

BT37843-010-35°-R

Back Turn

(Right-handed)

3.5

3.0

35°

0.1

GW1335-BT35-410-R

BT37844-010-35°-R

5.0

4.0

35°

0.1

GW1335-BT35-420-R

BT37844-020-35°-R

5.0

4.0

35°

0.2

GW1335-BT20-210-R

BT37842-010-20°-R

3.5

2.0

20°

0.1

GW1335-BT20-310-R

BT37843-010-20°-R

6.0

3.0

20°

0.1

GW1335-BT20-320-R

BT37843-020-20°-R

6.0

3.0

20°

0.2

GW1335-BT35-310-L

BT37843-010-35°-L

Back Turn

(Left-handed)

3.5

3.0

35°

0.1

GW1335-BT35-410-L

BT37844-010-35°-L

5.0

4.0

35°

0.1

GW1335-BT35-420-L

BT37844-020-35°-L

5.0

4.0

35°

0.2

GW1335-BT20-210-L

BT37842-010-20°-L

3.5

2.0

20°

0.1

GW1335-BT20-310-L

BT37843-010-20°-L

6.0

3.0

20°

0.1

GW1335-BT20-320-L

BT37843-020-20°-L

6.0

3.0

20°

0.2

Machining Material

Turning

Vc

m/min

Ap

/min

fs

mm/rev

Free-cutting steel

100~200

0.05~4.0

0.01~0.25

Low carbon steel

70~160

0.05~4.0

0.01~0.25

Carbon steel

55~120

0.05~4.0

0.01~0.20

Alloyed steel

45~100

0.05~4.0

0.01~0.15

Stainless steel

50~120

0.05~4.0

0.01~0.15

Aluminum alloy

200~1000

0.05~4.0

0.01~0.20

Copper alloy

90~500

0.05~4.0

0.01~0.30

Titanium alloy

25~70

0.05~4.0

0.01~0.08