ONSITE+ Step Tip Reduced Shank Drill Bits

ONSITE+ step tip reduced shank drill bits combine self-centring step-tip geometry with a reduced-shank profile, so an oversize hole - larger than the chuck capacity - can be drilled from a 1/4-inch hex impact driver without chatter.
Construction & Materials
Toughened reduced shank for percussive torque, with the self-centring step-tip on entry. Impact-rated for cordless drivers.
Drive & Use
Fit the 1/4-inch hex shank straight into an impact driver to drill holes bigger than the driver's chuck would normally allow.
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14mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST140RAs low as $52.700 each -
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14.5mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST145RAs low as $53.550 each -
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15mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST150RAs low as $56.950 each -
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15.5mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST155RAs low as $58.650 each -
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16mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST160RAs low as $61.200 each -
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16.5mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST165RAs low as $61.200 each -
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17mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST170RAs low as $63.750 each -
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17.5mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST175RAs low as $63.750 each -
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18mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST180RAs low as $69.700 each -
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19mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST190RAs low as $71.400 each -
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20mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST200RAs low as $76.500 each -
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21mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST210RAs low as $84.150 each -
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22mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST220RAs low as $87.550 each -
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25mm Alpha ONSITE+ Step Tip Reduced Shank Drill Bit - 1 Pack Carded 9LMST250RAs low as $109.650 each
Self-centring step-tip drill bits with a reduced shank, so an oversize hole can be drilled from a 1/4-inch hex impact driver.
TECHNICAL RESOURCES
For the full library of dimensioned PDFs and CAD references, see our Technical PDF's Library.
