Zhushan 5pcs Step Drill Bit Set, High Speed HSS Cobalt Multiple Hole Sizes with Aluminum Case

Zhushan 5pcs Step Drill Bit Set,High Speed Step Drill Bit, HSS Cobalt Multiple Hole 50 Sizes Titanium Step Drill Bit with Aluminum Case

Zhushan 5pcs Step Drill Bit Set, High Speed HSS Cobalt Multiple Hole Sizes with Aluminum Case

Zhushan Export&Import Co.,ltd is an enterprise specializing in manufacturing hardware tools and crimping tools so on.The product is widely used in electronic and electric,automobile electronic. 5 standard step drill bits Sizes: -#1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') -#2: 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'') -#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") -#4: 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") -#5: 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")

Key Features

• ✅ ?HSS Titanium Coating?High speed steel along with titanium coating ensures outstanding durability and sharpness, self starting- No need for a pilot hole,Made of super strong HSS steel for added durability and bit life
• ✅ ?50 Size in 5 Bits?Set includes five standard SAE step drill bits with a two-flute design for faster, that can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces
• ✅ ?Easy to use?Double cutting blades and X-type openings design ensure a faster, smoother cutting and a tri-flat shank for a sure grip
• ✅ ?Carrying case?Set includes a sturdy aluminum organizing case for secure storage and easy carrying
• ✅ ?After-Sales Service?Please read the description and the specifications before you purchase. contact Us with Any Issues and We'll Resolve Them Right Away

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