These sets contain multiple screw-machine-length drill bits in different sizes. They ensure users have a range of bits on hand for maintenance and repair tasks. Screw-machine-length drill bits are shorter than jobber-length and maintenance-length drill bits. Sometimes called stub-length drill bits, they provide more strength and rigidity and can drill straighter holes than longer drill bits. Their short length also allows them to access tight spaces where longer drill bits cannot fit.
This heavy-duty screw machine drill bit set is made of high speed steel. It includes a metal drill index, sizes #10 to #60, and is for use with all materials. This screw machine length drill bit set has a black oxide finish, and has wire measurements. It is non-coolant through. Plus it has spiral flutes, a straight shank, right hand cutting direction, and a 135 Degrees split point drill point.
This heavy-duty screw machine drill bit set is made of high speed steel. It includes a metal drill index, sizes #10 to #60, and is for use with all materials. This screw machine length drill bit set has a black oxide finish, and has wire measurements. It is non-coolant through. Plus it has spiral flutes, a straight shank, right hand cutting direction, and a 135 Degrees split point drill point.
This heavy-duty screw machine drill bit set is made of high speed steel. It includes a metal drill index and is for use with all materials. This screw machine length drill bit set has a black oxide finish, and has fractional inch measurements. It is non-coolant through. Plus it has 29 spiral flutes, a straight shank, right hand cutting direction, and a 135 Degrees split point drill point.
This heavy-duty screw machine drill bit set is made of high speed steel. It includes a metal drill index and is for use with all materials. This screw machine length drill bit set has a black oxide finish, and has fractional inch measurements. It is non-coolant through. Plus it has 29 spiral flutes, a straight shank, right hand cutting direction, and a 135 Degrees split point drill point.
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