MKC 18PCS Hole Saw Mandrel Quick Change Arbor Set 9/16-Inch To 8-3/8-Inch Diameter With 1/2 Review

【QUICK CHANGE】MKC hole saw mandrel is convenient and time-saving to use, more than 2 times more time-saving than traditional arbor; surpasses the traditional metal materials. the plastic block is easy to grasp and force, and the material is light, strong, and clean. 【CRAFTSMANSHIP】Body is processed by CNC, with good precision: small swing and small vibration when drilling. the sliding block is made of engineering plastics. after low and high-temperature tests, it does not deform or become brittle and is still strong and usable under extreme temperatures. 【QUICK SHANK】7/16” Hexagonal groove quick shank, suitable for quick connecter connection; convenient installation and unloading, large torque; passed drop test and torque test. 【WIDELY APPLICATION】For the purchaser's convenience, with 1/2、5/8 thread . thread is suitable for all kinds of hole saws with 1/2",5/8"thread; 4 PCS of 3.5" (89mm) long white drill bits for soft material, 2 PCS of 3.5" (89mm) long black drill bit for hard material. 【PACKAGE INCLUDES】1×red or blue Large Quick Change Mandrel(7/16"); 6×3.5 Inch HSS Central Drills; 1×1 Inch (25mm) hole saw; 1×2 Inch (51mm) hole saw; 1×Tape Measure;8×CrV Screwdriver BITS.