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Pull Stud (Retention Knobs) Pull Stud (Retention Knobs)
Pull Stud (Retention Knobs) Pull Stud (Retention Knobs)
Pull Stud (Retention Knobs) Pull Stud (Retention Knobs)
Pull Stud (Retention Knobs) Pull Stud (Retention Knobs)
Pull Stud (Retention Knobs) Pull Stud (Retention Knobs)

Pull Stud (Retention Knobs)

Pull studs (also called retention knobs) are the link between the machine drawbar and the toolholder. Pulling forces can reach 3000 daN on SA 50 spindles, making the superior material and hardening quality of EPB pull studs important.
Precision machining guarantees precise positioning and safe locking of the holder in the spindle. Most machines require a standard pull stud design (DIN, ISO, BT, CAT) and some require a specific design.
Type:
BT
DIN69872
NT
ISO
CAT
JIS B6339
Mazak
ISO7388
Quantity:
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  • BT SK NT CAT ISO JIS
  • XZH
  • 8466100000
  • Alloy steel
  • Machine tools collet chuck tool holder clamping accessories
  • pull studs
  • XZH

BT Pull Stud

Specification

Material : Alloy steel

Hardness: HRC44-58

Order Example :PBT3045/PTB4060

Type :with Coolant through or without


Pull Stud

Model

D

D1

D2

M

L

L1

L2

H

H1

H1

BT30

12.5

7

11

M12

42

23

18

5

2.5

45

BT40

17

10

15

M16

60

35

28

6

3

60

BT50

25

17

23

M24

85

42

35

10

5

90

Detailed Image

1481533689

DIN69872 SK Pull Stud

Specification

Material : Alloy steel

Hardness: HRC44-58

Type : through Coolant or without

6

Model

D

D1

D2

M

L

L1

L2

SK30A(B)

13

9

13

M12

44

24

19

SK40A(B)

17

14

19

M16

54

26

20

SK50A(B)

25

21

28

M24

74

34

25

Detailed Image

2


DIN2080 NT Pull Stud

Specification

Material : Alloy steel

Hardness: HRC44-58

Type : through Coolant or without

7

Model

M

d1

d2

d3

d4

L3

 L2

L1

NT30

M12

11

10

13

7

13.6

 25.1

41

NT40

M16

25

21.2

17

7

13.6

 25.1

53

NT50

M24

39.6

32

25

7

13.3

 25.1

65.1

Detailed Image

NT pull stud (5)


CAT Pull Stud

Specification

Material : Alloy steel

Hardness: HRC44-58

Type : through Coolant or without

8

Model

G

θ

L

B

C

E

 F

CAT30A

5/8"-11

45

1.5

0.74

0.64

0.44

 0.49

CAT50A

1"-8

45

2.3

1.14

1

0.7

 0.82
CAT40B

5/8"-11

45/60/90

2.13

0.59

1.27

0.99

 0.393
CAT50B 1"-8 45/60/90 3.07 0.906 1.772 1.378 0.669

Detailed Image

pull stud

JIS B6339 Pull Stud

Specification

Material : Alloy steel

Hardness: HRC44-58

Type : through Coolant or without

parameter

Detailed Image

b0b5398325.jpg.500x500


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