Home
021-58386189
Menu
Metric drill sizes are used primarily in Europe and use metric units to measure the drill bit diameter. There are a variety of standards used to define drill sizes, the most common one in the UK is the British Standard BS 328 set which includes twist drill bit sizes between 0.2 mm and 25 mm. BS 328 drill sizes are defined as shown in the drill
Get Price
The 1 1/2- inch screws are used throughout the metal roofing project and end up with penetration of about 1 1/4 inches. This screw size is considered a standard size for metal roofing. It holds metal roof paneling firmly into place.
Get Price
Screw Diameter: Bit or Drill Sizes: No of Auger Bit. To Counterbore for striking head. For Shank Clearance Holes: For Pilot Holes: Hard Woods: Soft Woods: Twist Bit Nearest Size in fractions of an inch: Drill Gauge No or letter to be used for maximum holding power: Twist Bit Nearest Size in fractions of an inch: Drill Gauge No to be used for
Get Price
You can also strip the screw's head when you try to remove a screw using the wrong size bit or screwdriver. Other Methods for Removing Stripped Screws. Using a special drill bit isn't the only option for removal. Here are a few other methods if you don't have drill bits available: Drill the stripped screw
Get Price
The drill bit on those screws is very tiny, a #1 drill bit, and the diameter of the hole that the drill bit makes is substantially smaller than the diameter of the outside threads of the rest of the screw. This allows the threads to really bite into the material and allow the screws to self-tap into the metal or wood for a secure hold.
Get Price
These steel screws are zinc plated to resist corrosion in wet environments. They have a hex head for a secure grip with a wrench and a flange to reduce the risk of crushing thin metal. Screws cut threads in drilled holes as they're turned, so they require less driving torque and cause less stress on your material than thread forming screws.
Get Price
Match a drill bit from a drill bit set to the shaft size of the sheet metal screw. Secure a drill bit matching the size of the screw shaft that leaves the threads around the screw exposed. Step 2. Cover the hull of the fiberglass boat with masking tape where the sheet metal screw will be placed. Mark the location of the hole on the masking tape
Get Price
Recommended Drill Sizes Self Tapping Screws Screw Size Metal Gauge Metal Thick-ness Drill Size Screw Size Metal Gauge Metal Thick-ness Drill Size 28 3/32 .015 26 .018 26 3/32 .018 8G 24 .022 7/64 4G 24 3/32 .022 22 .028 22 3/32 .028 20 .036 1/8 20 3/32 .036 18 .048 1/8 28 3/32 .015 26 .018 1/8 26 3/32 .018 24 .022 1/8 6G 24 3/32 .022 10G 22 .028 1/8 22 3/32 .028 20
Get Price
A tek screw has a drill point and the tip of the screw giving the ability to drill its own hole. Using the correct tek screw for your application will eliminate the need for pre-drilling. The Fastener Factory carries a wide range of tek screws for Steel and Timber. When installing tek screws into heavy steel over 4mm The Fastener Fcatory carries Series 500 tek screws which drill up to
Get Price
Wood Screws; Sheet Metal Screws; Bolts; Flange Bolts; Machine Screws; Nuts and Washers; Anchoring Products; Eye Bolts and Eye Lags; Hanger Bolts; U-Bolts and J-Bolts; Shoulder Bolts; Bolts; Blind Rivets; Driver Bits; Unit Conversion; Tap and Drill Sizes; Other Useful Information
Get Price
When using self-tapping screws on aluminium choose a self-tapping screw with a drill like point and sharp cutting blade threads that go down the whole length of the screw. These self-tapping screws are designed to keep thin metal from denting.
Get Price
Your pilot-hole drill-bit size will depend on the size of your sheet-metal screw. A size-4 screw should have a pilot-hole drill size of 3/32 inches; size 6, 7/64 inches; size 8, 1/8 inches; size 10, 9/64 inches; size 12, 5/32 inches; size 14-1/4 inches, 3/16 inches; and 5/16 inches, 1/4 inches. Step 4 – Drill Correctly. Always use protective
Get PriceUseful for pre-drilling holes for screw-mounted hardware; Drill saw bits are used for cutting irregular holes in metal or wood. Best for small jobs; can't replace a jigsaw. Pocket hole bits, when used with the proper jig, let you drill angled holes for screws. Best used for making wood joints.
Get Price
free table! recommended drill sizes. for. self-tapping screws (sheet metal)
Get Price
After a hole has been tapped by a thread cutting screw, it can be replaced by a machine screw of the same size (diameter and number of threads per inch). Sizes of 4-40 to 3/8-16 are common. Self drilling screws, also called Teks®, have a tip that resembles a drill, and often have spaced threads, like sheet metal screws.
Get Price
All Types to All Places. Whether you are after trade quantities of wafer head, countersunk phillips head, Series 500 or hex head self-drilling screws, Allfasteners are here to provide the right product for you. And whether these screws are required in Class 3, Class 4 or Bi-Metal stainless finishes, we can deliver to anywhere in Australia, thanks to our market-leading tiered pricing system and
Get Price
Jan 27, 2019· Non-tapered screws include drywall screws & some appearance wood screws. If you're working with brass screws, go up 1 size as well to accommodate the softer metal. Brass isn't the only exception here—any wood screw made of a material that's softer than steel should go up a size as well. When working with brass wood screws, an
Get Price
Pilot Hole Sizes for Metal Screws and Wood Screws Posted 30 January, 2010 at 9:43pm by Michael Chu While installing shelving in my home, I had to drill pilot holes for #8 and #12 Metal Screws into studs. The problem was, I didn't know how big to drill the holes and when the holes were too small, it was quite difficult to drive the screws
Get Price
Machine Screw and Drill Size Chart (English) Clearance Hole Drills Screw Designation Tap Drill Size Close Fit Loose Fit Number Diameter Pitch Tap Size Drill Diameter Drill Diameter Drill Diameter or dia. (inch) (threads/inch) Size (inch) Size (inch) Size (inch) #0 0.06 80 0-80 3/64 0.0469 52 0.0635 50 0.07
Get Price
SHEET METAL SCREWS 100 Our Trucks Deliver Throughout SE & SW Florida To Place an Order Please Call Customer Service at 1-800-226-5555 or Fax to 800-582-6110 NOMINAL SCREW SIZE & NUMBER OF THREADS PER INCH 2-32 3-28 4-24 5-20 6-20 7-19 8-18 10-16 12-14 1/4-14 5/16-12 3/8-12 48 46 44 36 32 30 29 21 3/16 5.5mm I 21/64.0760.0810.0860.1065.1160.1285.1360.1590.1875.2165.2720.3281 DRILL SIZE
Get Price
About US
Products
Case
Project
Contact
Online Chat
Sales Hotline