Product Features
Product Description
Key Features
- Quad-Head Design: High-volume, double-helix quad-head configuration with a patented, high-performance, reinforced core flute maximizes energy transfer for enhanced drilling speed and durability.
- 4 x 90 deg. Head Geometry: Crushes through rebar and prevents sticking in reinforced concrete for uninterrupted drilling performance.
- Uniformly Brazed Carbide Inserts: Consistent, precision brazing results in longer bit life and sustained cutting performance over extended use.
- Self-Centering Tips: Ensures accurate hole placement from the moment contact is made, reducing the need for re-drilling or corrections.
- Chromium-Nickel-Molybdenum Steel Alloy Body: Delivers exceptional hammering quality and extended service life under high-impact conditions.
- Heat-Treated & Shot-Peened Finish: Increases surface hardness, improves drilling speed, reduces bit wear, and enhances resistance to bending forces.
- High-Volume Multi-Flute Spiral: Quickly channels concrete dust out of the hole to maintain drilling speed and reduce clogging.
- Optimized Impact Energy Transfer: Proprietary flute geometry reduces vibration while optimizing the transfer of impact energy from the rotary hammer to the drill bit tip.
- ANSI Compliant: Drill bit conforms to ANSI Standard B212.15 for dimensional accuracy and performance reliability.
- SDS-Max Shank: Compatible with SDS-max rotary hammers for secure, tool-free bit changes and positive drive engagement.
Specifications
- Attribute: Value
- Model Number (MPN): MDMX12523Q
- Brand: Simpson Strong-Tie
- Head Type: Quad Head / 4x Drill Bit
- Shank Type: SDS-max Shank
- Diameter: 1-1/4 in.
- Overall Length: 23 in.
- Drilling Depth: 18 in.
- Material: Hardened Steel (Chromium-Nickel-Molybdenum Steel Alloy)
- Tip Material: Carbide (Uniformly Brazed)
- Finish: Shot-Peened / Heat-Treated
- Compliance Standard: ANSI Standard B212.15
- Country of Origin: Germany (DE)
Frequently Asked Questions
- What type of rotary hammer is this drill bit compatible with?
- This drill bit features an SDS-max shank, making it compatible with SDS-max rotary hammers. The SDS-max shank provides secure, tool-free bit changes and positive drive engagement for reliable performance during heavy-duty drilling applications.
- What is the drilling depth and overall length of this bit?
- The Simpson MDMX12523Q has an overall length of 23 inches and a maximum drilling depth of 18 inches. The diameter is 1-1/4 inches, making it well suited for larger-diameter holes in concrete and masonry applications.
- Can this drill bit be used in reinforced concrete containing rebar?
- Yes. The quad-head design features a 4 x 90 deg. head geometry that is specifically engineered to crush through rebar and prevent the bit from sticking in reinforced concrete, allowing for uninterrupted drilling performance even in heavily reinforced applications.
- What materials and treatments are used to ensure the durability of this drill bit?
- The bit body is constructed from a chromium-nickel-molybdenum steel alloy for exceptional hammering quality and extended service life. It also undergoes heat-treatment procedures and receives a shot-peened finish, which increases surface hardness, improves drilling speed, reduces bit wear, and enhances resistance to bending forces. Additionally, the carbide inserts are uniformly brazed for consistent cutting performance and longer bit life.
Reviews
FAQs
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