Bosch Diamond Blade DD400 4 Inch Segmented Tuckpointing Mortar Removal (13300 Max RPM 1 by 4 Inch Thickness Joint Cleaning Disc)
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Bosch DD400 4-Inch Premium Segmented Tuckpointing Diamond Blade for Mortar and Grout Removal
The Bosch DD400 4-Inch Premium Segmented Tuckpointing Diamond Blade is an industrial masonry restoration wheel engineered to rake out, clean, and remove deteriorated mortar joints between brick, block, and stone. Built with 0.25-inch thick diamond-infused rim segments and a 7/8-inch arbor hole, this specialized tuckpointing disc delivers aggressive material clearance across masonry restoration, tile re-grouting, and joint preparation passes. Compatible with handheld angle grinders, tuckpointers, and compact circular saws, the segmented gullet design expels abrasive mortar slurry rapidly to extend blade life and prevent binding in deep brick channels.
Best Used For:
- Historic Brick & Masonry Tuckpointing: Raking out decayed mortar joints between exterior clay bricks and concrete block structures prior to re-pointing.
- Deep Joint Clearance & Grout Removal: Clearing 1/4-inch wide slurry lines in tile installations and masonry walls without damaging adjacent brick edges.
- Foundation & Chimney Restoration: Preparing weathered mortar joints on concrete foundations, stone facades, and brick chimneys for fresh cement placement.
Key Performance & Safety Features
- Heavy-Duty 0.25-Inch Segment Thickness: Solid 1/4-inch thick diamond-sintered rim segments grind out wide mortar joints in a single pass.
- Fast-Clearing Segmented Gullet Profile: Open segment gullets eject pulverized mortar dust and abrasive debris to prevent blade overheating and drag.
- Premium Industrial Diamond Matrix: Formulated with a hard metal bond matrix that maintains sharp cutting edges against harsh sand and cement abrasive mixtures.
- Standard 7/8-Inch Arbor Fitment: Precision arbor hole mounts directly onto standard 4-inch and 4-1/2-inch angle grinders and tuckpoint shrouds.
- Low Vibration Heavy Steel Core: Stiffened alloy steel center plate resists flexing under side-pressure during deep joint cleaning passes.
- Compact 4-Inch Working Profile: Small outer diameter offers exceptional control in tight brick corners, window lintels, and intricate masonry detail work.
What's Included
- (1) Bosch DD400 4-Inch Premium Segmented Tuckpointing Diamond Blade
Technical Specifications
| Brand / Manufacturer | Bosch Power Tools |
| Model / Part Number | DD400 |
| Blade Outer Diameter | 4.0 in. (101.6 mm) |
| Segment Thickness / Cut Width | 0.25 in. (6.35 mm) |
| Arbor Hole Diameter | 0.875 in. (22.23 mm / 7/8 in.) |
| Rim Configuration | Segmented Tuckpointing Rim |
| Cutting Method | Dry or Wet Mortar Raking |
| Primary Applications | Mortar Removal, Grout Cleaning, Tuckpointing Prep |
| Compatible Power Tools | Small Angle Grinders, Tuckpointing Grinders, Circular Saws |
| Target Cutting Materials | Masonry Mortar, Tile Grout, Brick Joints, Block Joints |
| Assembled Weight | 0.70 lbs (0.317 kg) |
| Packaged Dimensions | 0.5 in. D x 6.25 in. W x 8.25 in. H |
| Country of Origin | China |
Pro-Tip: Equip your angle grinder with a dust extraction shroud attached to a HEPA vacuum when dry-raking mortar joints to meet OSHA silica dust safety regulations and maintain clear line-of-sight along the joint line.
