This image features a single, light gray pointed chisel bit, angled diagonally from the upper left to the lower right. The top left features a sharp, pointed tip, while the tool tapers to a narrower shank with grooves at the lower right for tool attachment.
This image features a single, light gray pointed chisel bit, angled diagonally from the upper left to the lower right. The top left features a sharp, pointed tip, while the tool tapers to a narrower shank with grooves at the lower right for tool attachment.
This image features a single, light gray pointed chisel bit, angled diagonally from the upper left to the lower right. The top left features a sharp, pointed tip, while the tool tapers to a narrower shank with grooves at the lower right for tool attachment.
This image features a single, light gray pointed chisel bit, angled diagonally from the upper left to the lower right. The top left features a sharp, pointed tip, while the tool tapers to a narrower shank with grooves at the lower right for tool attachment.
This image shows a single, dark gray flat chisel bit, angled diagonally from the lower left to the upper right. The lower left features a broad, flat tip, while the tool tapers to a narrower shank with grooves at the upper right for tool attachment.
This image displays a single, light gray pointed chisel bit, angled diagonally from the upper left to the lower right. The upper left features a sharp, pointed tip, while the tool tapers to a narrower shank with grooves at the lower right for tool attachment.
BOSCH

Bosch SDS Plus Bulldog Xtreme Hammer Steel Mortar Knife Bit 3/8 Inch Wide Blunt Chisel Head Tuckpointing Brick Layer Masonry Demolition Restoring Tool

Only 2 left
SKU: HS1402
$14.25 USD

Size (Inches)
Description

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Plow Out Deteriorated Grout Lines and Protect Valuable Facing Brickwork with Heavy-Duty Blunt-Face Mortar Knife Chisel Bits

Elevate your historic masonry restoration contracts and accelerate tuckpointing cleanup routines with the professional-grade Bosch SDS Plus Bulldog Xtreme Hammer Steel Mortar Knife Bit. Masterfully designed for professional brickmasons, structural tuckpointers, historical building preservationists, and facade restoration technicians, this high-performance pneumatic chisel core maximizes cleaning speeds while shielding surrounding masonry layouts. Running standard sharpened point chisels or wide demolition blades directly into fragile vintage brick joints routinely results in instantaneous spalling, gashed brick borders, and ruined architectural stone block perimeters. This blunt-tip mortar knife entirely eliminates those liabilities by matching a rigid, optimized 3/8-inch wide profile with a flat face configuration that pulverizes hard mortar beds from within the tracking joint without slicing into facing masonry modules.

Forged from structural alloy tool steels using an advanced, multi-stage heat-treated manufacturing process, this premium tool steel provides an exceptionally long core lifecyle under thousands of rapid pneumatic anvil strokes. The engineered straight-edge tracking line slices through setting matrices and soft lime grouts with absolute tactile guidance, allowing operators to easily strip joint lines down to a clean, code-compliant uniform depth for pristine repointing compound adhesion. Thanks to its anti-binding edge engineering, the steel body glides freely without wedging or jamming mid-stroke inside tight vertical and horizontal joints. Terminating in a universal quick-change slotted SDS-Plus shank for a solid lock inside elite Bulldog rotary hammers, this specialized masonry accessory guarantees maximum impact translation and impeccable control shift after shift.

Key Features

  • Blunt-Tip Safety Geometry: Flat face nose pushes impact kinetic energy through mortar material while eliminating sharp edges that split soft bricks.
  • Optimized 3/8-Inch Chipping Track: Sized perfectly to drop completely inside common joint depths for rapid, clean material clearance without dynamic binding.
  • Slotted SDS-Plus Drive Shank: Standard slotted machining fit locks tightly inside pneumatic tools, ensuring total impact power transfer.
  • Heat-Treated Manufacturing: Advanced heat-treatment metallurgy delivers high tool steel hardness and shields the core from premature fatigue breaks.
  • Straight-Edge Controlled Slicing: True straight tracking edge configuration allows users to slice grout cleanly down to uniform specifications.

What's Included

  • (1) SDS-Plus Bulldog Xtreme Hammer Steel 3/8" Mortar Knife Chisel Bit

Specifications

Specification Profile Details / Performance Value
Brand Name Bosch
Product Line Variant Bulldog™ Xtreme Hammer Steel Array
Tool Accessory Type SDS Plus Mortar Knife Chisel Bit
Primary Field Applications Mortar Joint Removal, Tuckpointing Prep, Plaster Stripping, and Brick Restoration
Shank Type (Machining) SDS-Plus Slotted Universal Quick-Lock Standard
Chisel Head Blade Width 3/8 inch (0.375")
Chisel Profile Thickness 3/8 inch (0.375")
Nose Design Geometry Flat Face Blunt Tip Profile Assembly
Core Tool Composition Proprietary Heat-Treated Forged Alloy Steel Core
Cutting Tracking Path Straight Non-Binding Guiding Edge
Percussion Action Rated Yes (Optimized for Hammer-Only operational profiles)
Required Safety Outfitting Eye Protection, Ear Defenders, and Approved OSHA Silica Dust Respirators

Pro-Tip: Always position your rotary hammer completely parallel to the bed line and toggle the motor strictly into "Hammer-Only" percussion mode before squeezing the trigger. Allowing the machine to slip into a combined rotating hammer function will cause the 3/8-inch blunt face to whip violently across the layout, scarring historical face brick edges and eroding structural masonry bonds. Keep the quick-change shank greased consistently to seal out pulverized silica grit.