DIN50-57M – Microbore Integral Shank Boring Bar

Description

DIN50-57M – Microbore Integral Shank Boring Bar

Taper Shank

DIN 69871

Boring Bar Details

Boring Range

B Min.

D

Cartridge Unit

Insert Type

Boring Bar Order Reference No.

A

BT (MAS403)

DIN 69871

ISO (DIN 2080)

Min

Max

Fig.

Insert

BT40

BT50

DIN40

DIN50

ISO40

ISO50

29.0

41.5

135.5

28.0

M3A2T09-40

1

TC__0902__

BT40-57M

BT50-57M

DIN40-57M

DIN50-57M

ISO40-57M

ISO50-57M

29.0

42.5

132.0

M3A2C06-40

2

CC__0602__

29.0

42.5

132.0

M3A2V-40

2

EP__0602__

27.0

41.5

132.0

28.0

M3A2E-40 M3A212E-40 M3A2F-40 M3A212F-40

3

Brazed Insert

MINIMUM DIAMETERS ALLOW BAR TO FLAT BOTTOM. THE MINIMUM DIAMETER CAN BE REDUCED IF MACHINING A THROUGH BORE.

REFER TO MICROBORE UNIT RANGE CATALOGUE FOR STYLES OF CARTRIDGES AVAILABLE.

Microbore Standard Taper Shank Dimensions

DIN (DIN 69871)
Taper	ØA	ØB	ØG	L	L1	L2	T
DIN40	63.5	50.0	44.45	68.25	35.0	19.05	M16
DIN50	97.45	80.0	69.85	101.8	35.0	19.05	M24

NOTE: ALL TAPER SHANKS ARE SUPPLIED WITH ‘A’ STYLE COOLANT. ‘B’ STYLE COOLANT HOLES ARE AVAILABLE UPON REQUEST.

Integral Shank Boring Bar Overview

With through bore coolant holes.
Indexable inset cutting range from Ø15,6 – Ø144,5
Brazed carbide cutting range from Ø18,5 – Ø144,5

NOTE: OTHER TAPERS AND FLASH CHANGE SHANKS ARE AVAILABLE ON REQUEST.