What size countersink bit do I need?

You will want to choose a countersink that is larger than the bolt size of the hole. Countersink diameter = 1.5 x Bolt Size Hole Diameter. Example: 1/4″-20 Bolt – Multiple the diameter (. 250) x 1.5 = 0.375.

What size countersink bit for #10 screw?

Wood Screw Pilot Hole Sizes

How do you countersink without a countersink bit?

If you are out on the job and find yourself without a countersink bit, this method will work in a pinch. Take your Philips Head bit and place it in the spot where the screw will go. Start the drill and move it around in a circular motion, widening the hole as you go until you get the desired size.

What size is a 6 countersink bit?

9/64-Inch
DEWALT Drill Bit, #6 Countersink, 9/64-Inch (DW2537)

How do I know what countersink to use?

It’s always best to use a countersink with a body diameter that closely matches that of the screw head; using one too narrow won’t create a big enough countersink to accept the screw head, and using one too wide runs the risk of creating a crater-sized countersink that completely swallows the screw.

What does tapered drill bit and countersink set do?

The tapered drill bits and countersinks in this set have a unique, single twist design that efficiently ejects chips, resulting in cleaner holes. The drill bit set includes seven drills, seven countersinks, seven stop-collars and an individually organized wooden storage box for easy transport and organization.

How many drills are in a drill bit set?

The drill bit set includes seven drills, seven countersinks, seven stop-collars and an individually organized wooden storage box for easy transport and organization. 100% Satisfaction Guarantee!

How big is a high speed steel drill bit?

High Speed Steel Bit Diameter: 1-1/2 in Bit Diameter: 1-1/4 in Bit Diameter: 5/8 in Shop Savings 158Results Sort by:Top Sellers Top SellersMost PopularPrice Low to HighPrice High to LowTop Rated Products