SUBORUI Double Row Segments Diamond Grinding Disc Cup Wheel
Optimized for concrete, masonry, and stone leveling. Features sintered thermal-relief matrix segments designed to strip epoxy and prep Sevilla lime-mortar bases.
Engineered with chrome-vanadium and structural tool alloy steels (40Cr, 42CrMo, HSS M2/M35), manufactured under rigorous automated heat treatment to guarantee uniform structural hardness (52–58 HRC) and optimal fatigue mitigation in high-frequency pneumatic and electro-pneumatic rotary hammers.
Optimized for concrete, masonry, and stone leveling. Features sintered thermal-relief matrix segments designed to strip epoxy and prep Sevilla lime-mortar bases.
135° split point, TiN coated HSS 6542/M2 twist drills for structural steel beams, non-ferrous alloys, and impact-driven industrial assemblies.
3-piece precision ground metric set (M2 to M20). Exceptional chip clearance designed for machine maintenance and precision Andalusian agricultural refits.
Precision hole opener for architectural installations, technical drywall, acoustic paneling, and historical hardwood cabinetry renovation.
Reinforced resinoid bonded cut-off disc ensuring low thermal stress, minimal burr formation, and high burst resistance under rigorous ISO safety standards.
Tough M2 micro-grain alloy engineered for through-hole tapping in machinery repair shops and localized automotive support facilities across Andalusia.
8% Cobalt M42 matrix with rapid-locking hex shank profile. Cleanly cuts structural sheet metal, ductile tubing, and composite electrical trunking.
Heavy-duty hole cutter array for stainless steel, non-ferrous enclosures, structural plate, and thick hardwood assemblies with pilot stabilization.
The urban architecture and surrounding geological landscape of Seville (Sevilla) and the Guadalquivir river basin present distinct structural challenges. Demolition contractors, structural engineers, and heritage preservation architects require chisel geometries engineered specifically for localized material densities.
Historic structures in Seville's Casco Antiguo, Santa Cruz, and Triana feature lime mortar (mortero de cal) and hand-fired clay brick. Standard demolition steel shatters these brittle substrates. Our narrow spade and hex-shank channel chisels offer precise, high-frequency energy transfer without micro-fracturing adjacent load-bearing masonry during historic facade restorative works.
The Port of Seville (Puerto de Sevilla) acts as inland maritime cargo hub handling massive container freight. Upgrading marine warehouses, logistics aprons, and intermodal railway links requires heavy-shank breaker chisels capable of pulverizing reinforced high-early-strength C30/37 and C40/50 slab concrete embedded with high-yield tensile rebar meshes.
Trenching for telecommunications, utility ducting, and sewer pipelines throughout the Seville metropolitan region encounters deep "bujeo" formations and dense calcareous caliche crusts. WRD clay spade and wide scaling hex-shank chisels provide the mechanical leverage necessary to gouge through compact subsoils where standard excavator buckets bind.
A macroeconomic shift across the autonomous community of Andalusia is transforming how procurement directors, tool hire chains, and building supply consortiums manage their consumable cutting and demolition tool inventory.
With inflationary pressures tightening margins across Spanish civil contracts (Contratos de Obras Públicas), commercial buyers are bypassing European intermediary distributors. Direct container and palletized sourcing from verified manufacturers (such as WRD Tools) yields a 38% to 55% reduction in consumable spend while securing identical alloy grades and European DIN compliance.
Equipment rental networks (Alquiler de Maquinaria) in Seville, Dos Hermanas, and Alcalá de Guadaíra are replacing fragmented spline and obsolete round-shank chisels with robust 17mm, 19mm, 28mm, and 30mm hexagon drive systems. Hexagonal tool shanks eliminate rotation slippage, optimize energy transfer from electric demolition hammers, and substantially decrease chuck wear.
Andalusian labor safety agencies enforce strict daily vibration limits under Royal Decree 1311/2005. WRD's specialized chisel balance minimizes axial rebound force into hammer recoil springs, lowering vibration exposure action values (EAV) on operators during continuous concrete chipping tasks.
To eliminate high-cycle shank shearing, tip flaking, and excessive thermal fatigue, our production utilizes electric-arc induction smelted tool steels subjected to proprietary continuous salt-bath quenching and progressive tempering cycles.
| Material Grade | Core Hardness | Striking Face Hardness | Tensile Yield Strength | Primary Industrial Application |
|---|---|---|---|---|
| 40Cr Structural Steel | 48–52 HRC | 50–54 HRC | ≥785 MPa | General masonry channelling, clay digging, plaster stripping, light breaker use. |
| 42CrMo Alloy Steel | 52–56 HRC | 55–58 HRC | ≥930 MPa | Heavy demolition, reinforced concrete busting, granite bedrock breaking. |
| HSS M2 (W6Mo5Cr4V2) | 63–65 HRC | Full Body Thermal Stable | ≥1200 MPa | High-speed structural metal drilling, precision reaming, machine taps. |
| HSS-Co M35 (5% Cobalt) | 65–67 HRC | Red-Hardness to 600°C | ≥1450 MPa | Abrasive stainless steels (AISI 304/316), high-tensile structural flanges. |
Direct responses addressing incoterms, port logistics, custom OEM packaging, and mechanical compatibility with leading power tool hammer bodies.
Consignments are loaded at our Danyang manufacturing plant into dedicated 20GP/40HQ shipping containers and moved via Shanghai or Ningbo ports directly to the Port of Algeciras, Valencia, or directly up the Guadalquivir estuary to the Port of Seville (Puerto de Sevilla) under CIF, FOB, or DDP terms.
Yes. Our hex dimensions strictly adhere to international tolerances for standard 17mm hex (with machining collars), 19mm hex, 28mm (1-1/8") collared hex, and 30mm hex. They lock seamlessly into all major equipment models, including Bosch GSH series, Makita HM series, and Hilti TE breakers (via appropriate chuck/hex configurations).
Absolutely. We provide comprehensive OEM/ODM packaging services. This includes automated high-contrast laser etching of your brand, model code, and batch traceability numbers on the chisel body, complemented by customized blister cards, heavy-duty plastic sleeves, or retail metal cases with full Spanish product labeling.
For standard-dimension hex shank chisels with custom laser marking, our minimum order quantity starts at 100 to 500 units per specification. For full-color custom private-label plastic cases or specialized dual-material retail packs, the standard production threshold is approximately 1,000 to 1,200 sets.
Chisel failure typically occurs at the transition junction between the collar and the round/fluted shank. We utilize progressive zoned induction heat treatment. The impact striking face is hardened to prevent mushrooming, the shank maintains ductile toughness to absorb lateral bending moments, and the tip achieves peak rock-fracturing hardness.
Yes. Jiangsu WRD Tools Co., Ltd. has undergone extensive onsite supplier verification by Intertek Group, verifying production capacity, workshop machinery, chemical raw material verification, and ISO quality management compliance.
Founded in March 2007 in Danyang, Jiangsu Province, WRD Tools operates as a heavy-scale cutting and demolition tool creator rather than an intermediary trading entity.
Our dedicated Danyang facilities manage every phase under one roof: bar stock cutting, cold-forging, drop-hammer stamping, automated CNC milling, induction heat-treating, robotic surface polishing, and packing lines.
Our manufacturing precision has qualified WRD Tools to supply leading international hardware giants across 20+ export nations, maintaining an active buyer trust score of 4.7/5.
Formally recognized as a High-Tech Enterprise of Jiangsu Province since 2019, our testing lab conducts spectrographic steel batch verification, dynamic torque tests, and ultrasonic flaw detection.
Our multilingual technical export team provides direct, single-business-day turnaround for engineering drawings, tool prototyping, customized hardness specifications, and full freight documentation.
Whether you require full container load (FCL) delivery direct to Seville / Algeciras or customized OEM brand packaging for an industrial retail network, our technical sales engineers are ready to review your specifications and supply reference samples.