Diablo Tools Impact Step BitsEdge of Arlington offers free shipping in the United States when you choose flat rate shipping. Diablo’s new Step Drill Bits bring exclusive technology to the Electrician, Plumber, and HVAC contractor with fast, accurate cuts and increased stability in thin metals, PVC, and other plastic materials. The innovative Split Point Tip design enables a fast, on-point start that results in increased durability and up to 4X longer life. An automated precision grinding process on each step reduces wear and delivers 2X faster cuts. Multiple hole sizes are made easy with laser etched step markings while increased step heights for common hole sizes makes drilling holes more efficient and faster. Designed with a ¼” hex shank, these bits are impact ready and can be used with drills and impact drivers. DSD1375S15 has 3/8″ shank with 3 flats; it is not compatible with impact drivers. -Split Point Tip (132°) makes pre-drilling obsolete and stays sharper longer, resulting in increased speed, maximum durability, and up to 6X longer life -Ideal for metal (up to 1/8” thickness), PVC, and other plastic materials -Ideal for electrical, plumbing, and HVAC contractors ![]() |
Item # | Diameter | Length | Shank | Steps | Price | Add To Cart | |
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DSD0500S13 | 1/2 in | 3 1/32 in | 1/4" Hex | 13 Steps | $31.83 | Add to cart | |
DSD0500S06 | 1/2 in | 3 3/8 in | 1/4" Hex | 6 Steps | $28.30 | Add to cart | |
DSD0750S09 | 3/4 in | 2 19/32 in | 1/4" Hex | 9 Steps | $35.36 | Add to cart | |
DSD0875S12 | 7/8 in | 2 3/4 in | 1/4" Hex | 12 Steps | $38.90 | Add to cart | |
DSD1125S17 | 1 1/8 in | 3 1/32 in | 1/4" Hex | 17 Steps | $61.88 | Add to cart | |
DSD1375S15 | 1 13/8 in | 2 29/32 in | 3/8" CYL | 15 Steps | $67.18 | Add to cart |