The DEWALT® EXTREME® SDS-max® Drill Bit is a heavy-duty drilling solution engineered for concrete, masonry, and rock applications . Unlike larger diameters in the EXTREME® range, this 12 mm version features a 2-cutter carbide head , optimized to deliver faster penetration speed and durability in smaller hole sizes.
Its solid carbide cutting head with dual cutting edges ensures efficient material removal while maintaining strength under high-impact conditions. The premium carbide grade and optimized geometry enhance resistance to wear and breakdown, extending tool life even in demanding environments.
A reinforced core design improves impact energy transfer and overall stability, while the open-head structure directs dust efficiently into the flutes to prevent clogging and maintain drilling speed.
The 4-flute helix maximizes debris evacuation, reduces vibration, and ensures smoother flowcleaner, more precise holes , ideal for reliable anchoring and fixing applications in professional construction settings.
TECHNICAL DETAILS:
| Specification | Details |
| Product Name | ELITE SERIES™ SDS-max® Drill Bit |
| Brand | DEWALT |
| Model Number | DT9400-QZ |
| Diameter | 12 mm |
| Working Length | 200 mm |
| Total Length | 340 mm |
| Shank Type | SDS Max |
| Head Type | Tungsten Carbide, 4-Cutter |
| Rebar Resistance | Yes – single-piece carbide tip |
| Manufacturing | CNC machined, precision-ground teeth |
| Performance Features | Iron Blast Technology, Tough Core, Anchor Wear Mark |
| Applications | Concrete, masonry, natural stone, rock |
| Durability | Rebar strike resistant, reinforced core, long life |
| Packaging | Plastic tube |
| Country of Origin | Germany |
| CE Mark | No |
EN 
FR