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Applicable Materials
Granite, reinforced concrete, masonry and engineered stone
Certifications & Credentials
CE Certified · ISO 9001:2015 · Industry Standard Drafting Participant · 120+ Countries & Regions Served
Engineered for hard materials: fast cuts, low chipping
Reinforced concrete cutting faces vibration, binding, and chip‑out around rebar when forming expansion joints. The T‑profile protects the core; segmented geometry improves dust/debris ejection and reduces binding under variable aggregates; bond/grit placeholders tune for reinforced concrete cutting. Result: cleaner joints, lower chipping, steadier schedules, improved TCO—consistent with industrial site demands.
Masonry wall chasing requires long, straight grooves with kerf stability and dust control across mixed materials. A sintered T‑type segmented diamond cutting disc sustains sharpness; profile balances speed with edge stability; segment spacing supports continuous slotting and cleaner extraction. Benefits: straighter grooves, fewer blade changes, higher productivity, safer sites—optimized for wall chasing operations.
Engineered‑stone cutouts chip with high feed rates due to resin/aggregate mixes and heat accumulation. T‑profile stabilizes outlines; bond/grit placeholders balance cut speed and edge quality for engineered‑stone cutting; steady feed and RPM window placeholders reduce chip‑out. Outcome: clean sink cutouts, smoother edges, reduced polishing time, predictable finishing for premium tops.
The DINOSAW T-type protected disc is the hard-material specialist of the handheld disc family: T-shaped segment geometry for retention under impact loads, a main-plus-side dual protection system, and full-depth capability for granite, reinforced concrete and masonry production cutting.
Four diameters from 125 to 230 mm cover the industrial angle grinder fleet for hard material and full-depth work.
Kerf scales 2.2 mm at 125 mm to 3.0 mm at 230 mm: lower cutting resistance on small tools, greater full-depth stability on large ones.
8–10 mm segment heights match the cutting regime: working diamond volume for hard-material production duty.
The dual segment system scales with diameter — 3 main + 6 protective at 125 mm to 7 main + 14 protective at 230 mm — the configuration signature of the T-type design.
Applicable materials: Granite, reinforced concrete, masonry and engineered stone.
Typical applications: Reinforced concrete expansion joints, granite cutting, masonry wall chasing, engineered stone cutouts and impact-loaded full-depth production work.
Actual disc life varies with material hardness, reinforcement content and cutting depth.
Four diameters from 125 mm (2.2 mm kerf) to 230 mm (3.0 mm kerf) with T-type segmented rims, 8–10 mm segment heights, dual main-plus-protective segment layouts (3+6, 4+8, 5+10, 7+14) and arbors 20/22.23/25.4 mm — sintered construction throughout.
| Diameter | Segment Width | Segment Height | Protective Segment | Arbor | |
|---|---|---|---|---|---|
| Inches | mm | mm | mm | pcs | mm |
| 5" | 125 | 2.2 | 8 | 3 + 6 | 20 |
| 6" | 150 | 2.4 | 10 | 4 + 8 | 22.23 |
| 7" | 180 | 2.6 | 10 | 5 + 10 | 25.4 |
| 9" | 230 | 3 | 10 | 7 + 14 | 25.4 |
Four engineering decisions behind the T-type design. The numbered points on the disc diagram correspond to the systems below.
Match the disc in four steps: confirm tool arbor and disc rating, select diameter by cut depth, set feed for the material class — slow through rebar, steady in plain concrete and granite — and use water where dust or cooling demands; the T-type earns its place in hard, deep, impact-loaded work, and shallower mixed work points to the bevel turbo.
The T-shaped segment-core interface increases the engagement area around the cutting segment, supporting segment retention under the repeated impact loads generated by hard stone and reinforced concrete cutting — retention is the failure mode that ends discs early in this duty.
Main segments perform the cut while secondary side segments protect the steel body from kerf-wall abrasion: the dual system scales with disc diameter and cutting depth, defending both the cutting rim and the core through full-depth work.
Reinforced concrete repeatedly shifts the cutting load between aggregate, cement matrix and steel reinforcement: the T-type layout and protected core are built for these abrupt load changes, with feed reduced when the blade enters rebar — the application that destroys lesser discs.
Core stiffness, segment consistency and controlled kerf width help the disc track steadily in dense materials: lateral movement in granite or reinforced concrete quickly appears as edge damage or an unstable cut, and the design works against it.
Kerf scales 2.2 to 3.0 mm across the range: thin kerfs for lower resistance on small grinders, wider kerfs for stability and depth capacity on 230 mm tools — geometry follows the tool's duty class.
Sintered segments carry diamond through the usable segment body, supporting predictable wear over the working life of the disc — consistent behavior from first cut to last in production hard-material work.
A three-tier selector for handheld cutting discs.
DINOSAW is a manufacturer of CNC stone processing machinery, specializing in diamond wire saw machines and CNC stone cutting equipment. With more than 20 years of R&D and manufacturing experience, DINOSAW contributes to industry standards including T/CMES 41001-2025 for CNC wire saw machines, holds 100+ technical patents, and supplies equipment and technical support to customers in 120+ countries and regions. Its manufacturing and management systems are certified to ISO 9001, ISO 14001 and ISO 45001, with CE-compliant machinery for international markets.
DINOSAW provides disc selection support and batch supply for construction and stone industry fleets.
Match arbor exactly to tool spindle.
Verify rated speed before mounting.
Reduce feed when cutting into reinforcement.
Common Questions About T‑Type Segmented Diamond Cutting Disc
Choose by material hardness and cut depth. Standard segmented discs serve general site work in mixed materials at the lowest cost. The bevel turbo steps up for faster feed with side protection in deep cuts. The T-type is the hard-material specialist: its segment retention and dual protection system exist for the loads that break lesser discs — granite, reinforced concrete with rebar crossings, and deep full-depth cutting where the core sides take abrasion for extended periods. The practical selection: ordinary masonry and shallow work runs standard segmented; deep cuts in mixed materials run bevel turbo; hard, dense, reinforced or full-depth production work runs T-type. The T-type costs more per disc and returns it in survival: on reinforced concrete expansion joints or granite production cutting, a disc that survives the shift outlasts two cheaper discs that fail mid-cut.
Choose by material hardness, reinforcement and cut depth. Standard segmented discs serve general site work in mixed materials at the lowest cost. The bevel turbo steps up for deep cuts in mixed materials, with side protection and turbo cutting behavior. The T-type is the hard-material specialist: its segment retention and dual protection system exist for the loads that break lesser discs — granite production cutting, reinforced concrete with rebar crossings, and deep full-depth work where the core sides take abrasion for extended periods. The three tiers map to real duty classes: ordinary masonry and shallow work run standard; deep cuts in mixed materials run bevel turbo; hard, dense, reinforced or full-depth production work runs T-type. The T-type costs more per disc and returns it in survival — on reinforced concrete expansion joints or granite production cutting, a disc that finishes the shift outlasts two cheaper discs that fail mid-cut.
Contact Dinosaw
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