sheetmetalbit - Posts - Bad Dog Tools

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Hi! We're the Strong Family - Ann, Joseph and JJ. We've been working on cars and DIY'ing since we can remember. So, back in 1983, when a shattered grinding wheel nearly caused serious injury while we were working on our Bluebird Bus, we decided to come up with a tool that was safer, stronger, better. That first tool has lead to a whole line of 'em and for three generations now our family-owned company has been making specialty cutting and drilling tools that tradesmen and DIYers alike can count on - all backed by our Lifetime Guarantee.

Individual Multi-Purpose Drill Bits

4.5" Heavy Diamond II - ENDLESS Cutting + Grinding Wheel

4.5" HDII Flange - ENDLESS Flush Grinding + Cutting

14 Piece Bad Dog Multi-Purpose Drill Bits

Individual Rover Bits

3" HDII - ENDLESS Cutting + Grinding Wheel

19 piece Bad Dog Multi-Purpose Drill Bits

1.25" HDII - ENDLESS Cutting + Grinding Wheel

Dried Drool Cutting Wax

5 Piece Rover /Forstner Bit Set A - Fast Cutting Forstner Bits

The Short Step Drill Bit Built for Places a Full-Size Bit Won't Go

You've got the hole marked. You've got the bit. What you don't have is room to swing the drill. Every HVAC tech, collision guy, and maintenance mechanic knows the feeling. A 6-inch step bit stickin …

Posted by Joseph Strong on 27th Aug 2026 Mechanical Engineer & Third-Generation Tool Designer at Bad Dog Tools

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How thick can the SMB cut? - The Simple Rule to Follow

If you've ever stood over a piece of plate steel wondering whether your bit is actually going to make it through, or worse, watched a bit stall out halfway and start burning instead of cutting, you …

Posted by Joseph Strong on 29th Jul 2026 Mechanical Engineer & Third-Generation Tool Designer at Bad Dog Tools