Top 12 point Cobalt Countersinks Reviews

Drill America - DWDCOFP12 F Cobalt Drill Bit (Pack of 12), DWDCO Series

13 pc Set High Speed Steel M42 Cobalt NAS 907J 135-Degree Split Point.
135-Degree split point for accurate centering and fast penetration.
Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance.

115 pc Set High Speed Steel M42 Cobalt NAS 907J 135-Degree Split Point.
135-Degree split point for accurate centering and fast penetration.
Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance.

For wood screw sizes #6, #8, #10, #12, and #14.
Countersinks combine pre-drilling for screw threads and clearance drilling for screw shank.
Countersinks combine counterboring for wood plugs (if needed) and countersinking for the screw head.
Plug cutters produce wood plugs to match their counterbores.

✔️ Cobalt Rounds (1 Pound | 99.9+% Pure) Our Cobalt Rounds are all sourced directly from the Vale Mining Group in Canada where they are produced and are 100% “virgin” metal (not recycled). We sell this metal by the pound, so if you need 10lbs, simply add a quantity of 10 to your cart. Be sure to see our promotional discounts for certain quantity levels if you would like to save money per pound..
✔️ USAGE - This is very high purity cobalt that can be confidently used in any application where cobalt is required. This item is one of our best sellers because of its versatility and ease of use..
✔️ SIZE - Our 1lb of cobalt rounds - each cobalt round is approximately 1.25 inches in diameter and .25 inches thick..
✔️ SPECIFICATIONS - Atomic Number = 27 | Melting Point (F) = 2723 | Atomic Mass= 58.93 | Boiling Point (F) = 5275 | Density (g/cm3) = 8.9 | Analysis: COBALT 99.9974%, NICKEL 0.0950%, OXYGEN 0.0050%, CARBON 0.0025%..
✔️ PACKAGING - This 1lb of cobalt rounds will arrive sealed inside of heavy duty BPA free plastic to prevent any corrosion or oxidation..

M42 Cobalt 1/2-inch Reduced Shank Silver and Deming 135-Degree Split Point.
135-Degree split point for accurate centering and fast penetration.
Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance.

JOBBER LENGTH: 3/32-inch cutting diameter, 1-1/4-inch flute length, 2-1/4-inch overall length, 118 degree point, straight shank.
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits.
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
APPLICATION: best used for drilling in hard metal, including stainless steel.
INCLUDE: 12 pieces of 3/32-inch cobalt drill bits with case.

JOBBER LENGTH: 1/4-inch cutting diameter, 2-3/4-inch flute length, 4-inch overall length, 135 degree split point, 3-flat shank.
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits.
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
APPLICATION: best used for drilling in hard metal, including stainless steel.
INCLUDE: 12 pieces of 1/4-inch cobalt drill bits with case.

JOBBER LENGTH: 1/8-inch cutting diameter, 1-5/8-inch flute length, 2-3/4-inch overall length, 135 degree split point, straight shank.
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits.
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
APPLICATION: best used for drilling in hard metal, including stainless steel.
INCLUDE: 12 pieces of 1/8-inch cobalt drill bits with case.

JOBBER LENGTH: 3/16-inch cutting diameter, 2-5/16-inch flute length, 3-1/2-inch overall length, 135 degree split point, 3-flat shank.
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits.
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
APPLICATION: best used for drilling in hard metal, including stainless steel.
INCLUDE: 12 pieces of 3/16-inch cobalt drill bits with case.

KEO plain type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.

KEO plain type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.

Quick and easy changes between drilling and driving allows user to finish jobs faster.
Black oxide split-point drill bits start on contact.
Quick change mechanism for easy one-step loading.
Contoured finger grip for easy ergonomic use.
5/16-inch shank for added durability multi-cutter Countersinks for superior finish.