Available in 62 different gauge, letter and fractional sizes, the drills have a 118 degree 4-facet point to help with self centering and so the drills can be re-ground to be used again and again.

Chamferlength and angle

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D444 jobber drill bits have a High Speed steel body and a brazed carbide tip, combining carbide drilling performance with a strong and flexible HSS body.

Chamferdimension in drawing

The carbide tip means the drills will give superior performance and longer tool life, and can be used for drilling hard and abrasive materials such as tool steel and cast irons.

D444 jobber drill bits have a High Speed steel body and a brazed carbide tip, combining carbide drilling performance with a strong and flexible HSS body.The carbide tip means the drills will give superior performance and longer tool life, and can be used for drilling hard and abrasive materials such as tool steel and cast irons.Available in 62 different gauge, letter and fractional sizes, the drills have a 118 degree 4-facet point to help with self centering and so the drills can be re-ground to be used again and again.For even more versatility, D444 jobber drill bits with a brazed carbide point can be used in both CNC and conventional machines.

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Chamfer dimensionschart

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Chamferdimension SolidWorks

Standardchamfersize Chart

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For even more versatility, D444 jobber drill bits with a brazed carbide point can be used in both CNC and conventional machines.

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