BT40 Weldon Tool Holder

Certificate of Quality

  • Chuck fine balanced G2.5 at 22.000 rpm
  • All functional surfaces fine machined
  • Taper tolerance AT3
  • Coolant supply form ADB

Weldon Tool Holder
JIS B 6339 · BT40

For clamping cutters with cylindrical shank and Weldon flat similar to DIN 1835-B and DIN 6535-HB.

Similar to DIN 6359 with taper JIS B 6339 BT40 form ADB.
Form ADB means: Central coolant supply and coolant channels on the collar which can be sealed again.

  • Cooling with Cool Jet for an extra charge
  • Extra short design only available in form AD

Technical data subjects to change without prior notice.

Cool Jet for Weldon tool holder

Cool Jet (optional)

  • Optimized coolant bores, aimed at center
  • Coolant directly to the cutting edge
  • Extended tool life up to 100%
  • Higher reliability of cutting process
  • No more balls of chips on tool
  • Cool Jet starting from shank diameter 6 mm

Technical drawing

BT40 Weldon Tool Holder Technical Drawing

Please select your clamping diameter:

Clamping Ø D1 [mm] 6
Ø D2 [mm]25
Order No. Gage length A in mm    
40.500.06 BT40 Weldon Tool Holder short Pictogram
short, 50.00 mm
DXF
Step
40.501.06 BT40 Weldon Tool Holder long Pictogram
long, 100.00 mm
DXF
Step
40.502.06 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 8
Ø D2 [mm]28
Order No. Gage length A in mm    
40.500.08 BT40 Weldon Tool Holder short Pictogram
short, 50.00 mm
DXF
Step
40.501.08 BT40 Weldon Tool Holder long Pictogram
long, 100.00 mm
DXF
Step
40.502.08 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 10
Ø D2 [mm]35
Order No. Gage length A in mm    
40.500.10 BT40 Weldon Tool Holder short Pictogram
short, 63.00 mm
DXF
Step
40.501.10 BT40 Weldon Tool Holder long Pictogram
long, 100.00 mm
DXF
Step
40.502.10 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 12
Ø D2 [mm]42
Order No. Gage length A in mm    
40.500.12 BT40 Weldon Tool Holder short Pictogram
short, 63.00 mm
DXF
Step
40.501.12 BT40 Weldon Tool Holder long Pictogram
long, 100.00 mm
DXF
Step
40.502.12 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 14
Ø D2 [mm]44
Order No. Gage length A in mm    
40.500.14 BT40 Weldon Tool Holder short Pictogram
short, 63.00 mm
DXF
Step
Clamping Ø D1 [mm] 16
Ø D2 [mm] ultrashort48
Ø D2 [mm]48
Order No. Gage length A in mm    
40.505.16 BT40 Weldon Tool Holder ultra short Pictogram
ultra short, 35.00 mm
DXF
Step
40.500.16 BT40 Weldon Tool Holder short Pictogram
short, 63.00 mm
DXF
Step
40.501.16 BT40 Weldon Tool Holder long Pictogram
long, 100.00 mm
DXF
Step
40.502.16 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 18
Ø D2 [mm] ultra short50
Ø D2 [mm]50
Order No. Gage length A in mm    
40.505.18 BT40 Weldon Tool Holder ultra short Pictogram
ultra short, 35.00 mm
DXF
Step
40.500.18 BT40 Weldon Tool Holder short Pictogram
short, 63.00 mm
DXF
Step
Clamping Ø D1 [mm] 20
Ø D2 [mm] ultra short52
Ø D2 [mm]52
Order No. Gage length A in mm    
40.505.20 BT40 Weldon Tool Holder ultra short Pictogram
ultra short, 35.00 mm
DXF
Step
40.500.20 BT40 Weldon Tool Holder short Pictogram
short, 63.00 mm
DXF
Step
40.501.20 BT40 Weldon Tool Holder long Pictogram
long, 100.00 mm
DXF
Step
40.502.20 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 25
Ø D2 [mm] ultra short59
Ø D2 [mm]59
Order No. Gage length A in mm    
40.505.25 BT40 Weldon Tool Holder ultra short Pictogram
ultra short, 60.00 mm
DXF
Step
40.500.25 BT40 Weldon Tool Holder short Pictogram
short, 90.00 mm
DXF
Step
40.502.25 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
Clamping Ø D1 [mm] 32
Ø D2 [mm] ultra short59
Ø D2 [mm]59
Order No. Gage length A in mm    
40.505.32 BT40 Weldon Tool Holder ultra short Pictogram
ultra short, 65.00 mm
DXF
Step
40.500.32 BT40 Weldon Tool Holder short Pictogram
short, 100.00 mm
DXF
Step
40.502.32 BT40 Weldon Tool Holder oversize Pictogram
oversize, 160.00 mm
DXF
Step
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