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Hole saw GRAPHITE 57H928 — 1 pc, weight 187 g
GRAPHITE hole saw 57H928 is a single-piece cutting accessory designed for making precise circular openings in a variety of materials. The tool is a bimetal construction with progressive high-speed steel teeth that provide efficient cutting performance and extended durability. Supplied as one unit with a compact weight of 187 g, this hole saw is intended for construction, installation and general DIY use where a reliable round cutting tool is required.
The bimetal design combines flexibility and hardness to resist wear and reduce the risk of tooth breakage during prolonged use. Progressive teeth geometry improves chip removal and reduces cutting resistance, enabling smoother penetration into metals, wood and plastics. Its compact single-piece format is convenient for storage and transport and simplifies replacement during on-site work.
Attach the hole saw to a compatible arbor or drill mandrel according to the arbor manufacturer's instructions. Secure the workpiece and mark the center of the hole, then start drilling at low speed to create a pilot impression and ensure alignment. Increase speed gradually while maintaining steady pressure; allow the saw to cut without forcing to avoid overheating. Periodically withdraw the cutter to clear chips and allow cooling, especially when cutting metals. Finish by deburring the hole edges if required.
For best results when cutting metals, use cutting fluid or lubricant to reduce heat and extend tool life. Select an appropriate drill speed based on the material: lower speeds for stainless steel and harder alloys, higher speeds for wood and plastics. Wear proper personal protective equipment and secure the workpiece to prevent movement during cutting.
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