6 Pcs HSS Countersink Drill Bit 1/4" Hex Shank Chamfering Drill Bit Set

Quick Details:

• [Sharper and Tougher] The whole drill bits is using high-frequency quenching for heat treatment, with titanium to prevent rust, and the cutting edge is hardened and honed for sharpness
• [6 Diameter Sizes] Contains sizes 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4''); handle diameter: 6.35mm (1/4 inch hexagonal handle)
• [5 Flute 90 Degree Countersink] All have a 90° angle on the point for sharp and precise countersinking, five-flute designed to insure free chip flow and rapid chatter free cutting
• [Easy to Use] 1/4″ hex shank remain stable in drill bit holder, ensure the correct size, pilot hole first, followed by the countersink
• [Widely Used] Drill bits mainly used for wood openings, reaming, chamfering, screw head and so on. Also applies to MDF, plywood, acrylic, PVC board and soft metal such as aluminum, copper and so on

Product Specification:
1. 90 ° HSS Countersink Bit with 1/4'' hex shank and can be installed on electric drills or electric wrenches with hexagonal interface Professional Countersink Drill Bit Set meet what u need!
2. The countersink provides space for the screw head to sit flush (or below) the surface
Five-blade Chamfering with A Groove
The countersink drill bits are made of standard high speed steel and super hard titanium coated, and the cutting edge are very sharp which can remove burrs well without leaving scratches.

6 Different Sizes Drill Bit Set
HSS Chamfering Cutter contains sizes: 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4''); handle diameter: 6.35mm (1/4 inch quick change hex shank)

Specifications
1. Shape: 5 flute
2. Edge: 90 degrees
3. Material: high speed steel 4241 (for parts with a hardness below 50hrc, such as carbon steel, thin steel plate, insulation board, PVC board, wood, etc.)

Package includes
1 x 6mm Drill
1 x 8mm Drill
1 x 9mm Drill
1 x 12mm Drill
1 x 16mm Drill

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.