5 Pcs HSS Spiral Grooved Step Drill Bit Kit Titanium Coated For Steel Plate

5 pcs HSS Spiral Grooved Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

Features:

• 【50 Step】 :No matter how big a hole you want, it can drill a perfect hole for you.
• 【HSS & Titanium Coated】 :Make it last longer, titanium coating ensures easy cutting steel plate, aluminum sheet, copper, plastic, wood etc. It can automatically chamfer the hole to clean the drill bit.
• 【Six Corner Handle】 :Hexagon shaped shanks are better for boring through harder materials and have less slippage.
• 【Easy to Drill】 :Spiral groove design, better orientation, cutting more smoothly.X-type openings design to facilitate the removal of cutting waste when drilling;Double cutting blades design enables a faster and smoother cutting.
• 【Uses】 : For sheet metal, sink, car repair, etc.Most suitable for thin iron plate, aluminum, insulation board, PVC board, the thickness of wood within 5mm.

Note:

Check the concentricity of the spindle and spring chuck and the clamping force of spring chuck,
for the concentricity may cause the drill bit broken and make drill hole too large.

Specification

Size:

Compare with twist drill bits:

Advantage:

Delivery:

1. Delivered by Sea,Air,Express

2. 20-30Days after your deposite,as your order quantity.

Sample Policy:

1. We can provide samples for free if required.

2. Samples can be delivered about 7-10days.

Payment:

1. We can accept L/C,T/T,Western Union,Paypal.

2. 20%-30% payment in advance,the balance before shipment or against copy of B/L.

drill bit kit

hss drill bit set

5 Pcs HSS Spiral Grooved Step Drill Bit Kit Titanium Coated For Steel Plate Images