Tianjin Junko hardware firms supply straight shank drill

Straight shank twist is the most widely-processing tool. Diameter typically in the range of 0.25 to 80 mm. It is mainly composed of the working portion and a shank portion. Working part has two spiral grooves, the shape twist, hence the name. Twist their different functions can be divided into three parts: 1. shank with clamping drill altar section and the power required for transferring drilling (torque and axial forces). 2. Drill neck cutter body and located in the transition section between the shank. Typically used as empty sipes wheel retract used. 3. The working portion of the drill bit body. The cutting portion (ie drill tip) and guide parts. Tianjin Junko hardware firms the main types of measuring tools, cutting tools, machine tool accessories, low prices, quality assurance, fake a compensable 10, the domestic first-class brand everything, customers are welcome to contact us. Common specifications for Φ1mm ~ Φ20mm as a decimal point is in stock, please contact us, thank you! Main products: vernier caliper (depth vernier caliper with depth gauge table with table vernier caliper, digital caliper, height crossed feet crossed digital height gauge, universal angle ruler, etc.) dial indicator (dial indicator, dial gauge, lever dial indicator, diameter dial indicator, magnetic table seat) gauge class (thread ring gauge, thread plug gauge, smooth plug, smooth ring,) drill (straight shank drills, taper shank drill, center drill) Tool (Hinge Knife Taps, Dies, cutters, carbide inserts, CNC blade, welding tools, white steel turning) chuck (jaw chuck, four-jaw chuck) chuck (Drill chucks, milling chucks, taper shank drills chaps, drill chuck Arbors) National free advice hotline 022-26764635 QQ 1722109911 13820139326 Zhang Changshun official website www.022wj.com