Driak
3 Pics HSS Titanium Coated Step Drill Bit Spiral Metric Sizes,Industrial DIY Woodworking Punching Tools
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Description
- 3PCS HSS Titanium Speed Steel Spiral Step Cone Drill Bit Set Hole Cutter
- Double cutting blade design makes for cutting faster,automatic deburring from hole when drilling.
- Spiral flute design,clears chips faster and allows particles to escape easily
- 3Pcs spiral step drill bits, 4-12/4-20/4-32mm ,main material high speed steel, titanium coated high quality step drill bits.
- According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.
Color: Golden (as picture shown)
Material: High speed steel 4241
#1: 4-12mm 9 Steps (4mm, 5mm,6mm,7mm,8mm, 9mm,10mm,11mm,12mm)
#2: 4- 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm)
#3: 4mm -32mm 15Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm,26mm,28mm,30mm,32mm)
Package Includes:3 X Step Drill bits
No center charge is required, which is not easy to break compared with ordinary twist drill.Site construction, one of the drill pipe drill various specifications applicable.
It is possible to deburr, chamfer, open hole expansion, and twist drill.
Compared with ordinary twist drill.Shake small, do not need to lead use center chong also can open beautiful aperture to come out.
This compact set replaces 31 individual drill bits.
Titanium nitride coating for cooler running.
The two flute design tips made the penetration faster without chipping.
Application:
suitable for below 25 hardness of the work piece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood thickness below 5MM.
USAGE SUGGESTION:
âš To avoid step drill bits become overheated and get burned up due to fast rotary friction,
Material: High speed steel 4241
#1: 4-12mm 9 Steps (4mm, 5mm,6mm,7mm,8mm, 9mm,10mm,11mm,12mm)
#2: 4- 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm)
#3: 4mm -32mm 15Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm,26mm,28mm,30mm,32mm)
Package Includes:3 X Step Drill bits
No center charge is required, which is not easy to break compared with ordinary twist drill.Site construction, one of the drill pipe drill various specifications applicable.
It is possible to deburr, chamfer, open hole expansion, and twist drill.
Compared with ordinary twist drill.Shake small, do not need to lead use center chong also can open beautiful aperture to come out.
This compact set replaces 31 individual drill bits.
Titanium nitride coating for cooler running.
The two flute design tips made the penetration faster without chipping.
Application:
suitable for below 25 hardness of the work piece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood thickness below 5MM.
USAGE SUGGESTION:
âš To avoid step drill bits become overheated and get burned up due to fast rotary friction,
âš we suggest customers to use cutting fluid to keep the bits cold during usage.
Shipping & Delivery
Your order is shipped from the USA and delivered to your door in South Africa in 10–20 working days. All items are fully tracked.
Returns & Exchanges
We offer a 30-day return window. If something isn't right, contact our support team and we'll make it right.