Adjustable Hand Reamer 21-23mm Hardened HSS Grip Reaming Metric Reaming Drill Bit for Metal DRINYOUNG (21-23) - size: 21-23

About this item

• Specifications: Reamer range 0.82 in. To0.90 in.;Tolerance: H7inch, one tool for different hole sizes
• Material: Manufactured from high-speed steel, good hardness, reliable toughness, meets daily reaming needs, normal service longevity
• Durability: The cutting edge has good sharpness, good cutting ability, and good accuracy. The reamer has a fair number of cutting teeth. After reaming, holes can achieve reasonably accurate size and geometry (tolerance H7). Finished surfaces are fairly smooth
• Function: Applicable for reaming in mold processing and handicraft making. This reamer is used to ream pre-drilled workpieces, mainly to improve hole precision and reduce surface roughness. Can be used for bore machining
• Application range: Can be used with mild steel, copper, aluminum, wood, plastic, PVC and other common materials. Chips collect in the flutes when cutting, suitable for most shallow cut applications
• Before use, make sure the diameter is set and locked; keep the tool vertical and feed at a steady speed, do not apply excessive pressure or pry; clean cutting edges after use and apply anti-rust oil; protective glasses recommended

Overview

• Cutting Diameter: 21 millimeters
• Finish Type: Uncoated
• Brand: DRINYOUNG
• Item dimensions L x W x H: 7.87 x 0.78 x 0.78 inches
• Surface Recommendation: Aluminum