Attention: Pls cool down with water when working because of the high temperature,so that the validity period can last longer.The speed is advised to be 250-400RPM/Min

-Unique step design,a drill bit can be used to open holes of various sizes,means the equivalent of a box of drill
-High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
-Having Mutifunction, a terrific helper to be used for deburring,chamfering,expanding hole
-Stable,working witout pre-working.
-Packed in a Nylon Bag,offering good protection.
Usage: Aplly in gun-drilling,bench drill

Material: HSS Steel
Surface Treatment: Titanium coated
Type: Step Drill
Head Type: Hexagon Shank
Quantity: 3PCSl
Color: Gold
Size:
Length:
5 Step Bit: 4-12mm Length: 6.7cm/ 2.64""""
9 Step Bit: 4-20mm Length: Approx. 7.4cm/ 2.91""""
15 Step Bit: 4-32mm Length: Approx. 10.2cm/ 4.02""""

The 3 Hole Cutters Come in the Following Sizes:
15 Step Bit: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 2mm)
9 Step Bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm)
5 Step Bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)

Package Includes:
1X Set(3pcs)Step Drill with Nylon Bag

Manufacturer	ss shovan
Part number	SDB-ALL
Item Weight	350 g
Package Dimensions	27.4 x 23.4 x 7.4 cm; 350 g
Item model number	HSS-SD-3
Color	Gold
Style	Industrial Luxe
Finish	Titanium
Material	High Speed Steel (HSS)
Pattern	Stepped
Item Package Quantity	1
Special Features	HSS Step Drill Bits
Specific uses	Hole Cutter
Batteries Included?	No
Batteries Required?	No

3PCS HSS Step Bits Set High Speed Steel Step Drill Bits Set - (4-12mm, 4-20mm and 4-32 mm) Cone Drill Bits Hole Cutter for Wood Stainless Steel Sheet Metal

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常见问题