Режущие и зажимные инструменты Hoffmann Group 2026 - страница 1036

Reducing sleeves for tools with plain shank

Suitable for VDI arbors form E2 (No. 319275 − 319405). 31 9426 – Suitable for internal cooling, not slotted. Tool is fixed and clamped with 2 clamping screws. 31 9428 – Slotted version - alignment of the tool via fixing screws, clamping via the boring bar holder.

Application: For reduction for tools with plain shanks.

31 9426_25/12

Ds 31 9428

Slot Clamping pin

Shank d / clamping d mm 25/4 25/5 25/6 25/8 25/10 25/12 25/14 25/16 25/18 25/20

31 94261 2

• d (31 9426) mm 29 4
• d (31 9428) mm – – – 30 30 30 30 30 30 30 4

l (31 9426) mm 50

1

l (31 9428) mm – – – 60 60 60 60 60 60 60

1

l (31 9426) mm 4

2

l (31 9428) mm – – – 10 10 10 10 10 10 10

2

Clamping Clamping Clamping Clamping Clamping Clamping

Version (31 9426) Slot Slot Slot Slot

pin pin pin pin pin pin

Shank d / clamping d mm 32/5 32/6 32/8 32/10 32/12 32/14 32/16 32/18 32/20 32/25

31 94261 2

• d (31 9426) mm 40 4
• d (31 9428) mm – – 37 37 37 37 37 37 37 37 4

l (31 9426) mm 58

1

l (31 9428) mm – – 69 69 69 69 69 69 69 69

1

l (31 9426) mm 5

2

l (31 9428) mm – – 10 10 10 10 10 10 10 10

2

Clamping Clamping Clamping Clamping Clamping

Version (31 9426) Slot Slot Slot Slot Slot

pin pin pin pin pin

Shank d / clamping d mm 40/6 40/8 40/10 40/12 40/14 40/16 40/18 40/20 40/25 40/32

31 94261 2

• d (31 9426) mm 44 4
• d (31 9428) mm – 45 45 45 45 45 45 45 45 45 4

l (31 9426) mm 58

1

l (31 9428) mm – 79 79 79 79 79 79 79 79 79

1

l (31 9426) mm 5

2

l (31 9428) mm – 10 10 10 10 10 10 10 10 10

2

Clamping Clamping Clamping Clamping

Version (31 9426) Slot Slot Slot Slot Slot Slot

pin pin pin pin

Shank d / clamping d mm 50/12 50/14 50/16 50/18 50/20 50/25 50/32 50/40

31 31 94261 2

• d (31 9426) mm 54 4
• d (31 9428) mm 55

Version (31 9426) Clamping pin Slot Slot Slot Slot Slot Slot Slot