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China Industrial Products Supplier Manufacturer List Catalog
Drilling ToolsDrill BitMetal Hole Saw,Hole Saws (long type)Hole Saw Set
JIANGSU ALSTON TOOLS CO., LTD.
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Product Description A metal hole opener is a tool used to cut circular or other shaped holes on metal sheets, pipes or other metal materials. Its main functions and application scenarios are as follows:1. Precision hole openingFunction: Cut holes of precise size on the metal surface, and the hole diameter usually ranges from a few millimeters to tens of centimeters.Application: Suitable for pipeline installation (such as water pipes, cable threading holes), mechanical processing, metal structural parts manufacturing, etc.2. Efficient cuttingFunction: Rapid hole opening by rotary cutting or punching, which is more efficient than traditional drilling and is especially suitable for batch processing.Tool type:Rotary hole opener: Used with an electric drill or bench drill, it uses a high-speed rotating cutting blade (such as alloy steel or carbide blade) to cut metal.Hydraulic/electric punching machine: Directly punches and forms by pressure, suitable for thinner metal plates (such as steel plates and aluminum plates).3. Adapt to different materialsApplicable materials: Can handle metals such as steel, stainless steel, aluminum, copper, and some high-hardness hole openers can also cut cast iron.Thickness range: Depending on the strength of the tool, it can cut metals with thicknesses ranging from 0.5mm to more than 10mm.4. Multiple hole diameters and shapesStandard round holes: The most common function, used for bolt fixing, pipe connection, etc.Special-shaped holes: Some hole openers can cut square, hexagonal or special contour holes (custom molds or special tools are required).5. Reduce material deformationAdvantages: Compared with traditional drilling, hole openers (especially punching types) can reduce burrs and material edge deformation and improve the finish of the hole wall.6. Portability and flexibilityHandheld tools: Small hole openers can be used with hand drills, which are suitable for on-site construction or maintenance.Fixed equipment: Large punching machines are used for factory assembly line processing.7. Cooling and lubrication compatibilityDesign features: Some hole openers support the addition of cutting fluid or lubricating oil to reduce cutting temperature and extend tool life (especially for difficult-to-process materials such as stainless steel).Typical application scenariosIndustrial manufacturing: mechanical parts processing, sheet metal hole opening.Building installation: ventilation ducts, cable tray opening.Automotive maintenance: exhaust pipes, body panel modification.DIY projects: metal furniture, decoration production.PrecautionsSafety protection: wear goggles and gloves to prevent metal debris from splashing.Matching speed: adjust the speed of the electric drill according to the hardness of the metal and the hole diameter to avoid burning the tool.Regular maintenance: clean the tool and replace the worn tool head in time.By choosing the right type and specification of metal hole opener, the processing efficiency and quality can be significantly improved.Bi-Metal Hole Saw, Hole Saw, Hole Saw SetSpecificationsMaterials available for Bi-Metal is M3 and M4 High Speed Speed Steel for accruate hole in machniable materials.Cutting Depth reach to38mm/44mm Thick.Diameter range from14mm to210mm.This tool is used for portable electric, air tools, drill presses, lathes, boring mills, milling machine or any other machine which has a roating spindle.Teeth have 4/6 vari-pich is better to cutting steel and cast iron pipe, steel plates, alumimium, copper, brass, stainless steel, wood and plastics.
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