Titanium-Coated Step Drill Bits

Select your item below for more details
Item Diameter Increments Step Depth Number of Hole Sizes Shank Diameter
SDT1 1/8" to 1/2" 1/32" 1/8" 13 0.25
SDT10 1/4" to 1-3/8" 1/8" 1/8" 10 0.375
SDT11 1-1/8" N/A N/A 0.5
SDT12 3/8" N/A N/A 0.25
SDT2 3/16" to 7/8" 1/16" 1/8" 12 0.375
SDT3 1/4" to 3/4" 1/16" 1/8" 9 0.375
SDT4 1/4", 7/8", 1-1/8" 1-1/8" 5/32" 3 0.375
SDT5 7/8" N/A N/A 1 0.375
SDT6 3/16" to 1/2" 1/16" 3/8" 6 0.25
SDT7 9/16" to 1" 1/16" 1/8" 8 0.375
SDT8 1/2" N/A N/A 1 0.25
SDT9 13/16" to 1-3/8" 1/16" 1/8" 10 0.5
Service Hotline

Call our Service Hotline or use our contact form.

1-877-BOSCH99 (1-877-267-2499)

Mon-Fri: 7:00-19:00 CST

Open contact form

FAQ

Visit the Frequently Asked Questions section.
We may already have the answer for your questions.

Show FAQ

Ask your question!

TEXT Customer Service

Have a service related question? Text us here.

Mon-Fri: 7:00-19:00 CST