Product Features
Product Description
Key Features
- Uniformly Brazed Carbide Inserts: Precisely brazed carbide inserts deliver consistent cutting performance and result in significantly longer bit life compared to standard tooling.
- Self-Centering Tips: Self-centering tip geometry ensures accurate hole placement from the first strike, reducing the need for repositioning and improving jobsite efficiency.
- Chromium-Nickel-Molybdenum Steel Alloy Body: The high-grade CrNiMo steel alloy body provides exceptional hammering quality and extended service life under heavy-duty use.
- Heat-Treatment & Shot-Peened Finish: Proprietary heat-treatment procedures and a shot-peened finish increase surface hardness, improve drilling speed, reduce drill bit wear, and enhance resistance to bending forces.
- ANSI Standard B212.15 Conformance: Drill bit conforms to ANSI Standard B212.15 for reliable dimensional accuracy and interoperability.
- High-Volume Multi-Flute Spiral: The high-volume, multi-flute spiral design quickly channels concrete dust from the hole, keeping the cutting zone clear to improve drilling speed and efficiency.
- 4 x 90 deg. Quad-Head Geometry: The four-cutter, 90 deg. head geometry crushes through rebar and prevents sticking in reinforced concrete - a critical advantage in demanding structural applications.
- Double-Helix Quad-Head Design: The high-volume, double-helix quad-head configuration combined with a patented reinforced core flute maximizes energy transfer for superior penetration rates.
- SDS-Max Shank: Compatible with all SDS-max rotary hammers for secure, tool-free bit changes and efficient power transmission.
Specifications
- Model Number (MPN): MDMX12536Q
- Brand: Simpson Strong-Tie
- Shank Type: SDS-max Shank
- Head Type: Quad Head (4x Drill Bit)
- Diameter: 1-1/4 in.
- Overall Length: 36 in.
- Drilling Depth: 31 in.
- Material: Hardened Steel (Chromium-Nickel-Molybdenum Steel Alloy Body with Carbide Tip)
- Standard Compliance: ANSI Standard B212.15
- Country of Origin: Germany (DE)
Approved Applications
- Drilling through reinforced concrete using SDS-max rotary hammers
- Penetrating rebar-reinforced substrates where standard bits may stick or bind
- Deep-hole drilling applications requiring up to 31 in. of drilling depth
- High-production concrete drilling where drilling speed, bit durability, and operator comfort are priorities
- Applications requiring precise hole placement in concrete, masonry, and similar hard materials
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 design optimizes impact energy transfer from the rotary hammer into the drill bit tip, enhancing drilling speed and durability.
- Can this bit drill through reinforced concrete with rebar?
- Yes. The 4 x 90 deg. quad-head geometry is specifically designed to crush through rebar and prevent sticking in reinforced concrete, making it well suited for demanding structural drilling applications.
- What are the key dimensions of this drill bit?
- This drill bit has a diameter of 1-1/4 in. and an overall length of 36 in., with a maximum drilling depth of 31 in.
- What materials and treatments are used to ensure the durability of this bit?
- The bit body is constructed from a chromium-nickel-molybdenum steel alloy for exceptional hammering quality and extended service life. It also undergoes proprietary heat-treatment procedures and receives a shot-peened finish that increases surface hardness, improves drilling speed, reduces drill bit wear, and enhances resistance to bending forces. Additionally, uniformly brazed carbide inserts provide consistent cutting performance and longer bit life.
Reviews
FAQs
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