Zacro High Speed Steel Step Drill Set,Titanium Coated Spiral Grooved Pagoda Drilling with Automatic Center Punch HHS Spiral Step Drill Bit for Precision Drilling Different Size Holes

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【Premium Quality - HSS & Titanium Coating】HSS high speed steel and coated with Titanium. Better durability, antioxidant, heat resistant, corrosion resistant and rust proof. Easy cutting iron, aluminum, PVC and insulation panels and other types of panels

【50 Size in 5 Bits】 Come with five standard step drill bits instead of 50 individual drill bits, save your time of changing drill bits and improve work efficiency

【Automatic Center Punch】Before drilling, the automatic center punch can mark the positioning hole on items to prevent the drill bit and the screw from sliding; and the carbide tipped bit is over 10 times stronger than common drill bits

【New Design for Easy Drilling】Laser marking makes the size more clearly; X-shaped mouth eliminates cutting waste quickly; Double cutting blades cut faster and smoother.3-sided shank design prevents slip in drill chuck providing with small pressure

【Wide Application】Suitable for home DIY and light work, drilling holes in steel, aluminum, copper sheet, plastic, wood board and other types of metal sheet

1. Laser marking makes the size clear and provides convenience and accuracy
2. Automatic center punch, through the high impact of spring loading, creates a concave point on the plane to avoid slipping when using the drill
3. The X-shaped opening design facilitates the removal of cutting waste during drilling; the dual-cutting blade design enables faster and smoother cutting.
4. High-speed steel and titanium coating ensure easy cutting of most metal plates, plastics, wood and other materials

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")

Notes:
Cold water and cutting fluid can increase the service life.
It is recommended to apply oil to the drill before each use.
The thickness of the plate must be less than the height of the step drill
Check the concentricity of the spindle and collet and the clamping force of the collet
Do not use excessive drilling speeds to avoid damage to the cutting edge

Package:
5 x Step Drill Bit Set
1 x Automatic Center Punch
1 x canvas bag

ASIN:B07MVBTD3C
UPC:742939420763
Manufacturer: Zacro
Brand Name: Zacro

Quantity

Price: $13.99

Shipping: $0.00

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