Used to countersink and counterbore for heads of screws in woods, plastics and non-ferrous materials. Heat-treated for long tool life.

Fuller Stainless Steel 2-Fluted Countersinks combined with High Speed Steel Fast Spiral Drills are the best tools on the market today to pre-drill for deck screws, particularly in hard, dense, Woods such as IPE. The SS countersink can be used to sink the screw head flush using one of the Fuller stop collars or will cut deep enough for plugging. Designed to cut clean and hardened for long wear, the countersink has a 3/8” diameter shank to chuck on for durability.

​Type J four flute Countersink with 1/4” shank to fit chuck and help reduce breakage of small diameter drills. All sizes are 1- 1/2” overall length and 3/4” long shanks. Type JH are 2” OAL with a 1/4” hex shank.

Four-blade rugged construction, these countersinks have shorter blades to reduce breakage and are designed to Countersink in metals and hardwoods. They are adjustable up and down on twist drills and held in place by two hex-socket set screws, which tighten into the flute of the drill.

Type K Countersinks and Type M Counterbores are both 3” overall length and designed for deep countersinking or counterboring. They can also be used with drill jig bushings. Available in both Carbon Steel and also Stainless Steel for cutting hardwoods.

Other Countersinks we carry including Uni Flute, Multi Flute, Combo and 2 Flute Carbide

Helvetica Light is an easy-to-read font, with tall and narrow letters, that works well on almost every site.

Type E four flute Countersink for deep hole counterboring and countersinking. Mounts on standard fractional size drills