Speedemon 1/4″ x 10″ x 12″ Carbide Drill Bit

The Speedemon carbide-tipped masonry bit delivers what contractors need most — up to 4x longer life compared to standard masonry hammer drill bits. At 1/4” diameter with a 10” usable length, this SDS-Plus bit handles deep drilling in concrete and reinforced materials without wearing down like standard bits do after a few dozen holes.

The Red Granite Plus carbide technology makes the difference. That carbide tip withstands the heat and impact that kills regular masonry bits. For contractors drilling anchor holes all day or homeowners mounting heavy equipment to concrete walls, paying slightly more upfront saves money on replacement bits and wasted time.

Performance That Justifies the Premium

Users frequently highlight the bit’s ability to handle tough masonry without wearing down quickly. The multi-ground Grip Point Tip starts holes fast without walking across the concrete surface. No more pilot holes. No more fighting to keep the bit centered.

The multi-ground spiral flutes clear dust efficiently — critical when drilling deep holes. Clogged flutes mean overheating, slower drilling, and premature wear. Speedemon’s flute design keeps material moving out of the hole, maintaining cutting speed even at full depth.

Specification	Value
Diameter	1/4 inch
Usable Length	10 inches
Overall Length	12 inches
Shank Type	SDS-Plus
Tip Technology	Red Granite Plus carbide
Life vs Standard	Up to 4x longer

Professional contractors rate these bits 4.4/5 stars based on ~971 reviews at Home Depot and 4.2/5 stars at White Cap. That consistency across different retailer audiences says something — these bits perform whether you’re a production framer or weekend warrior.

Built for Montana’s Reinforced Concrete Reality

Hammer drilling in concrete and reinforced concrete top the application list. Montana’s commercial construction boom means more reinforced slabs, more concrete walls, more anchor drilling. The optimized brazing and hardening process creates a carbide-to-steel bond that survives hitting rebar without shattering.

Compatible with all SDS-Plus hammer drills and impact drills — works with whatever SDS-Plus tool you already own. No adapter sleeves. No special chucks. The bit seats properly in any SDS-Plus chuck for maximum power transfer.

Fast drilling speed in hard concrete ranks as the top positive feedback point. Time matters on commercial jobs. Drilling fifty anchor holes with a bit that cuts 30% faster adds up to real labor savings. The precision-ground carbide tip maintains hole accuracy even after extended use — critical for expansion anchors that need precise hole dimensions.

Frequently Asked Questions

What makes Speedemon bits last 4x longer than standard masonry bits?

Red Granite Plus carbide technology combined with an optimized brazing and hardening process creates exceptional durability. The carbide tip withstands high heat and repeated impacts that destroy standard bits.

Will this bit work in my SDS-Plus hammer drill?

Yes. Compatible with all SDS-Plus hammer drills and impact drills. If your drill accepts SDS-Plus bits, this Speedemon bit will work.

What size holes does the 1/4” x 10” bit actually drill?

The bit drills 1/4” diameter holes with a 10 inches maximum drilling depth. Overall length is 12 inches to accommodate the SDS-Plus shank.

How do users rate the actual performance in concrete?

Average rating of 4.4/5 stars based on ~971 reviews at Home Depot and 4.2/5 stars at White Cap. Positive feedback includes fast drilling speed in hard concrete, long-lasting tip durability compared to standard bits, smooth and precise hole creation, and excellent value for the price.

What return policy applies to these bits?

90-day return policy at Home Depot; 30-day at White Cap and Tool Nut. Diablo typically offers a limited lifetime warranty on the carbide tip of their professional-grade bits, though exact warranty terms vary by retailer.