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D Series | Solid Carbide Drills

Carbide drills provide faster cutting rates, longer tool life, better positional and dimensional accuracy, and improved surface finish. Stntools solid carbide drills are manufactured from Sumitomo carbide grades and the tools are produced by our carbide production facility in Taiwan. The carbide drill bits are used industrially for materials such as cast iron, heavy metal nonferrous, stainless steel, and other abrasive materials.

Carbide drill bits have a strong working advantage over HSS drills & Cobalt drills and are operated more effectively by absorbing heat at greater speeds. In shallow holes, a tipped carbide drill is efficient and costs less than half a solid carbide drill bit. If deeper holes are drilled, solid carbide drills work very well, and coolant fed drills work even better. However, to use this style, a VMC machine with coolant supply is necessary. With AlTin coating our coolant fed carbide drills are standard to order and achieve a very low cost per component

solid carbide drills
ISO code USA code Grain Size Cobalt Percentage Density Hardness
Co(%) g/cm3 HV10 HV30 HRA
K20-K40 C-2 0.6µm 10.0 14.45 1680 1660 92.3
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Drilling tools


solid carbide drills
Ratiostar 3 X D

Solid Carbide High Performance drills for Stainless Steel ,Cast Iron

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solid carbide drills
Ratiostar 5 X D

Solid Carbide High Performance drills for Stainless Steel, Cast Iron & Titanium

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solid carbide drills
3 X D

High Performance Coolant fed drills for Stainless Steel & Cast iron

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solid carbide drills
Precistar 5 x D

High Performance Coolant fed drills for Stainless Steel, Inconel & Titanium

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solid carbide drills
Precistar 8 x D

High Performance Through Coolant drills for deep hole drilling in Stainless Steel

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solid carbide drills
Burnstar 5 x D

Solid Carbide High Performance Burnishing straight fluted Drill bits

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solid carbide drills
Burnstar 8 x D

Solid Carbide Coolant fed Burnishing drills with straight flute

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solid carbide drills
NC Star Drills 90

Solid Carbide NC Spotting Drills 900

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solid carbide drills
NC Star Drills 120

Solid Carbide NC Spotting Drills 1200

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solid carbide drills
Solid Carbide Double End Center Drills

Solid Carbide Double ended Center drills

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solid carbide drills
Single End Center Drills

Solid Carbide Single ended Center drill

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solid carbide drills
Solid Carbide Step Drills

Solid Carbide Step Drills

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