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Price: 29.99 USD
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HYCHIKA 5-Piece Diamond Cutting & Grinding Disc Set — 4.5" for Automotive Body, Exhaust & Chassis Work
Cut It, Grind It, Then Spray It — HYCHIKA 5-Piece 4.5" Diamond Disc Set Every respray starts with metal work. Rust cut out, a patch panel trimmed to fit, a weld seam ground flat, an exhaust hanger removed. Do that part badly and no amount of paint hides it. This set gives you 2 diamond cutting discs and 3 diamond grinding discs in one 4.5" kit, so you can go from rough cut to a paint-ready surface without leaving the car. Vacuum brazed diamond, not bonded abrasive. The particles are locked to the steel core, so the disc cuts at the same speed on its last job as its first instead of shrinking and glazing over the way standard wheels do. Where it fits in a body repair Step Job Disc 1. Cut out Remove rusted panel, exhaust section, seized bolt Red cutting 2. Fit Trim the patch panel or bracket to line Red cutting 3. Dress the weld Grind the seam flush, knock back burrs Green grinding 4. Prep for paint Surface dressing back to clean bright metal Green grinding Two jobs, colour-coded so you never grab the wrong one Red cutting discs (2 pcs) — a vacuum brazed diamond edge that bites through steel, cast iron, stainless, and hard alloys. The high-strength core resists flex, so the cut tracks straight instead of wandering off your line. Green grinding discs (3 pcs) — an ultra-thin porous face (approx. 0.05") for weld seams, surface dressing, and burr removal. Low vibration means better control and a smoother surface going into primer. What it handles Body panel repair and replacement — clean cuts through rusted or damaged steel so replacement sections sit flat for welding Exhaust work — pipes, mufflers, and headers cut cleanly for welding or bolt-on replacement Frame and chassis fabrication — trim old brackets, remove worn mounting points, prep for new welds Seized fastener removal — cutting a rusted bolt off is faster and safer than rounding it off with a wrench General fabrication — steel pipe, angle iron, sheet metal, and structural sections, in the shop or on site Specifications Contents: 5 pcs — 2 cutting discs + 3 grinding discs Disc size: 4.5 in (115mm) Centre hole: 22.23mm, fits virtually all standard angle grinders Abrasive: vacuum brazed diamond Grinding disc thickness: approx. 0.05" (ultra-thin) Part no.: E0228 Safety notes Always wear eye and face protection, gloves, and hearing protection. Cutting steel throws sparks and hot fragments. Check your grinder's maximum RPM rating against the disc before mounting, and keep the guard fitted. Clear fuel lines, tanks, upholstery, and anything flammable from the work area before cutting on a vehicle. Let the disc reach full speed before contact, and never force it. Let the diamond do the cutting. FAQ Q: Will these cut exhaust pipe and muffler steel?A: Yes. The red cutting discs are made for steel, cast iron, and hard alloys, including exhaust components. Q: Can they handle rusted-out body panels?A: Yes. The diamond edge cuts fresh and heavily corroded steel alike, staying clean through surface rust. Q: Will they fit my angle grinder?A: The 4.5" (115mm) disc with a 22.23mm centre hole fits virtually all standard angle grinders. Check your grinder's RPM rating before use. Q: How long do they last compared to normal cutting wheels?A: Vacuum brazed diamond holds its edge and diameter far longer than bonded abrasive wheels, which wear down and glaze over as you work. Finish the job properly. Once the metal is cut and ground flat, strip the surrounding old paint with the HYCHIKA 1800W Heat Gun, then lay down primer and colour with the HYCHIKA 600W HVLP Paint Spray Gun.
Product information updated: 24 Sep 2026
Disclaimer: Product information, including title, description, and images, is sourced/provided by our affiliate partner: HYCHIKA.
Disclaimer: Some of the links on this website are affiliate links, meaning we may earn a commission if you click through and make a purchase. This comes at no additional cost to you.
By clicking the button above, you acknowledge that you will be redirected to a third-party website and agree to their terms and conditions.
Product information, including title, description, and images, is sourced/provided by our affiliate partner: HYCHIKA.
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Share this product with a friend:
Refer a friend and earn 0.05 CEC when they click the link, plus an additional 1.00 CEC if they register. Share this Product and boost your earnings together!