Bosch HS1903B10 16 Inch SDS Max R Tec Flat Chisel Bit Pack of 10 Self Sharpening Forged Steel Demolition Breaker Bits for Concrete
Couldn't load pickup availability
Smash Through Dense Concrete 15% Faster with Self-Sharpening Reflection Technology
Supercharge your high-production demolition projects and structural surface preparation with the Bosch HS1903B10 16-Inch SDS-Max® R-Tec Flat Chisel Bit 10-Pack. Engineered with industry-leading, proprietary R-Tec technology, these premium flat chisels feature a highly advanced energy-diverting reflection element. By dynamically redirecting the hammer's raw kinetic energy straight back into the masonry workload, these heavy-duty bits increase aggregate removal speeds by up to 15 percent. They are an essential asset for commercial concrete contractors, utility teams, and bridge builders who require a high-yield breakthrough rate when tackling dense concrete slabs, foundations, structured block walls, and heavy asphalt layers.
The Bosch R-Tec system doesn't just clear aggregate faster; it works harder to protect your tool asset and reduce operator fatigue. The continuous kinetic reflection mechanism disperses punishing shockwaves back into the concrete instead of your hammer's internal piston components, resulting in less hand-arm vibration feedback for the tradesman. Forged with a unique, self-sharpening cutting head embedded with extra breakout wedges, these solid one-piece alloy steel chisels expand localized cracks rapidly to induce faster structural failure. Equipped with standard universal precision-fit SDS-Max® shanks, they install flawlessly into Bosch, Hilti, and other major tool brands utilizing TE-Y or TE-FY chuck profiles.
Key Features
- 15% Greater Material Removal: Innovative R-Tec reflection architecture redirects kinetic shock forward to shatter structural concrete 15% faster.
- 10-Piece Commercial Bulk Box: Guarantees high-volume demolition and mechanical infrastructure crews stay continually supplied on production-level sites.
- Self-Sharpening Head Profile: Unique flat head layout utilizes localized breakout wedges to maintain its edge under severe friction, eliminating resharpening breaks.
- Vibration-Dampening Ergonomics: Disperses severe feedback shocks straight into the masonry substrate, keeping strain off the operator and lowering tool wear.
- Universal SDS-Max Compatibility: Seamlessly locks into standard SDS-Max rotary hammers and demolition breakers, including Hilti TE-Y configurations.
What's Included
- (10) Bosch HS1903 1" x 16" SDS-Max® R-Tec Self-Sharpening Flat Chisel Bits
Specifications
| Specification | Value |
|---|---|
| Brand Name | Bosch |
| Model Number / MFG Part # | HS1903B10 |
| Package Quantity | 10 Bits per Pack |
| Bit Accessory Type | R-Tec Flat Chisel Bit |
| Shank Type Compatibility | SDS-max® (Hilti TE-Y / TE-FY Compatible) |
| Chisel Blade Face Width | 1.0 in. |
| Total Overall Length | 16.0 in. |
| Working Flute Length | 14.0 in. |
| Shank Diameter | 0.5 in. |
| Material Composition | Proprietary Heat-Treated Alloy Steel |
| Edge Sharpening Spec | Self-Sharpening Profile with Wedge Elements |
| Recommended Applications | Concrete Slabs, Brick, Hard Masonry, Surface Scaling |
| Product Condition | Brand New |
PRO-TIP: While the advanced R-Tec profile uses integrated breakout wedges to keep the flat cutting edge self-sharpened during heavy demolition, you should avoid pulling back or levering the hammer body to snap massive, unbroken chunks of concrete like a crowbar. Relying on heavy prying angles shifts extreme structural load onto the tool's retention grooves, which can overheat your rotary hammer's quick-change chuck mechanism and risk scoring the SDS-max shank profile!