TACKLIFE 5PCS Titanium Step Drill Bit Set & Automatic Center Punch,PDH06A, High Speed Steel Drill Bit Set, 50 Sizes, Double Cutting Blades Design, Aluminum Case

TACKLIFE 5PCS Titanium Step Drill Bit Set & Automatic Center Punch,PDH06A, High Speed Steel Drill Bit Set, 50 Sizes, Double Cutting Blades Design, Aluminum Case

• ▲ 50 SIZE IN 5 - The bits set includes five standard step drill bits that can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces
• ▲ HSS & TITANIUM COATING - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets，aluminum sheets，copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean
• ▲AUTOMATIC CENTER PUNCH & PROTECTIVE ALUMINUM CASE - the center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control; and the carbide tipped bit makes the center punch 10 times stronger than normal one;protective aluminum case makes the drills not easy to dull
• ▲DOUBLE CUTTING BLADES & THREE-SIDED SHANK - Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces
• ▲WHAT YOU GET - TACKLIFE Step Drill,Automatic Center Punch, Aluminum Case, User's Manual

Tacklife - Professional team on Amazon, which deals only with development of the tools. <br>We commit ourselves to using qualitative tools to improve the quality of life.<br><br> <b>Features:</b><br> 1. Cobalt added reduces friction and lasts longer than those which does not contain cobalt bits;<br> 2. The sharpness and titanium coating ensure easily cut through most sheet metal,<br> plastic and some other materials with ease;<br> 3. Laser marking makes the size more clear;<br> 4. X-type openings design to facilitate the removal of cutting waste when drilling;<br> 5. Double cutting blades design enables a faster and smoother cutting;<br> 6. High speed steel for longer service life;<br> 7. 3-sided shank prevents slip in drill chuck;<br> 8. Delivers an automatic spring-driven strike when pressed against surface;<br> 9. Adjustable cap regulates striking force;<br> 10. Brass body has a deeply knurled surface for nonslip control.<br> <br> <br> <b>Specification:</b><br> Size: <br> #1: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") <br> #2: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8") <br> #3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") <br> #4: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'') <br> #5: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') <br><br><br> <b>Note</b><br> Check the concentricity of the spindle and spring chuck and the clamping force of spring chuck, <br>for the concentricity may cause the drill bit broken and make drill hole too large.<br><br><br> <b>Package:</b><br> 5 x Step Drill Bit Set <br> 1 x Automatic Center Punch<br> 1 x User's Manual<br> 1x Aluminum Case<br>