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Forstner bits
Forstner bits
Forstner bits
Forstner bits

Forstner bits

537

TECHNICAL DETAILS:
-Super strength SP steel.
-Precision balanced centre point.
-2 spurs (V2).
-2 precision ground cutting edges (Z2).
-Long-lasting cutting performance.


TIPS AND WARNINGS

-Making repeated shallow cuts and allowing the bit to cool for two or three seconds between passes will increase the life of your bit. Overheating caused by chip buildup or constant contact with the cutting surface will remove the temper from the bit’s cutting edges.

-You can also extend the life of your bits by not exceeding the maximum speed recommended for the type of wood. Applying excessive force to the bit while drilling will also cause overheating.

-Remove all the chips from the previous hole before boring a second or subsequent hole when mortising.

-Small Forstner bits can be used in a hand drill, but the results are usually less than satisfactory. Using bits larger than 19mm (3/4”) in a hand drill can cause injury when the bit hangs on an imperfection in the wood.

-Always wear proper eye and hearing protection when working with power tools.

Application
Used to drill precise flat bottom holes with no chipping in any softwood thickness.


    Recommended R.P.M.
Part No. D (mm) Softwood Hardwood
537.100.31 10 2400 700
537.120.31 12 2400 500
537.140.31 14 2400 500
537.150.31 15 2400 500
537.160.31 16 2400 500
537.180.31 18 1500 500
537.200.31 20 1500 500
537.220.31 22 1500 500
537.240.31 24 1500 500
537.250.31 25 1500 500
537.260.31 26 1500 500
537.280.31 28 1000 250
537.300.31 30 1000 250
537.320.31 32 1000 250
537.350.31 35 500 250
537.380.31 35 500 250
537.400.31 40 500 250
537.450.31 45 500 250
537.500.31 50 500 250
537.550.31 55 500 50
537.680.31 68 400 200
Variations
Filter
Item Code S RH-LH L D
537.100.31
8x30mm RH 90mm 10mm
537.120.31
8x30mm RH 90mm 12mm
537.140.31
8x30mm RH 90mm 14mm
537.150.31
8x30mm RH 90mm 15mm
537.160.31
8x30mm RH 90mm 16mm
537.180.31
8x30mm RH 90mm 18mm
537.200.31
8x30mm RH 90mm 20mm
537.220.31
8x30mm RH 90mm 22mm
537.240.31
8x30mm RH 90mm 24mm
537.250.31
8x30mm RH 90mm 25mm
537.260.31
8x30mm RH 90mm 26mm
537.280.31
8x30mm RH 90mm 28mm
537.300.31
8x30mm RH 90mm 30mm
537.320.31
10x30mm RH 90mm 32mm
537.350.31
10x30mm RH 90mm 35mm
537.380.31
10x30mm RH 90mm 38mm
537.400.31
10x30mm RH 90mm 40mm
537.450.31
10x30mm RH 90mm 45mm
537.500.31
10x30mm RH 90mm 50mm
537.550.31
10x30mm RH 90mm 55mm
537.680.31
12.7x50mm RH 157mm 68mm
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