Simpson Strong-Tie 2-1/4-in x 1/4-in Wedge Anchors. In stock and ready to ship. To install a concrete anchor, a hole must be drilled in the base material. Match the bit to the size screw you’re using: 5/32-in. Best of all, they’re pretty inexpensive and will be something to have as part of your DIY toolbox for many years to come. Wedge anchors. Drill a hole in the base material using a carbide drill bit the same diameter as the nominal diameter of the anchor to be installed. This is especially useful when creating a hole from the outside of your house to the interior. Concrete Fastening Systems, Inc. …, Fastening to Cinder …, Purchase Tapcons When buying a good set, ensure it contains more than just one of the common (important) size drill bits. Clean the hole of any debris before continuing. Bought the 1/4" 2-1/4" anchors, used a 1/4" concrete bit with a hammer drill, drilled 1.25" deep holes. These handy cards can help you in a pinch, and can help you to quickly identify which size bit you’ll need based on the screw or hole size you need to drill out. (Overhead installations need not be blown clean.) Carbon steel. Professionals in the electrical industry for example will use these when running wires or cables through finished walls and ceilings. If you’re tapping holes you’re pre-drilling you can check out our tap drill chart for specific size conversions. The type of carbide-tipped bit needed is dependent upon the type of hammer drill being used. Place the lag shield in the hole with the closed end of the lag shield inserted first. For example, if a 2x4 is being fastened to concrete with a 1/2” wedge anchor then the minimum length of wedge anchor would be 1-1/2”(2x4) + 2-1/4”(minimum embedment) + 1/2”(space for nut and washer) = 4-1/4”. By anchor bolt, I assume you mean wedge anchor (male threads), not drop-in anchor (female threads). bit for 3/16-in. N/A. This would generally apply to many drill bit types, such as black oxide, titanium, carbide, high-speed steel and masonry (concrete), to name a few. The following drill chart covers the smallest standard drill diameter size of 1/64 to 21/32 and gives you the equivalent sizes in both decimal inches and millimeters. What is the difference between a sleeve anchor and a wedge anchor? These anchors expand and distort when a screw is inserted to reinforce the hole and resist stripping. For the sake of simplicity, let’s look at a basic multi-purpose set. (And much more when you factor in different types of bits). Welcome to Concrete Fastening Systems, Inc.! Using the wrong size carbide bit to drill the hole. …, Purchase Concrete Screws The length of the threads on the anchor is 1-1/4" in length. n. Use standard ANSI bits instead of proprietary bits n Single piece design, no nut and washer to assemble . Having the right drill bit sizes on hand for your particular repair or building task is essential for any seasoned carpenter or weekend-DIY’er. Setting tools will correspond to the inside diameter of the drop in anchor. …, Purchase Anchors To install, drill a hole slightly deeper than the anchor is long and insert the anchor until it's flush with the surface. It’s also helpful to find the substitute bit size to cross over between metric and standard measurements. 1/2-in. Diameter Measurement. Carbon steel. But not every application presents the same demands. Scroll down if you just need a quick reference using our drill chart. Fractional sizing uses whole, half (1/2), quarter (1/4), eighth (1/8), sixteenths (1/16) and sixty-forths (1/64). Drill Size: 1/4" Drilling Depth: 4" Flute Length: 4" Material: Steel: Overall Length: 6" Shank Type: SDS Plus: Style: Wedge: Tip Material: Carbide: Type: Rotary Hammer Bit: Product Weight : 0.108 UOM: each Notes. Then, thread a sheet metal or wood screw through your fixture and into the anchor. Thankfully, we can narrow it down a bit to some standard sized holes and bits. More About Drill Bit Sets and Sizing. The head of the LDT is a hex washer with serrations under the hea N/A. While it’s very important, it’s a detail that is often overlooked. To avoid break-outs and chipping, you can stick to bigger round-shank types. A setting tool is required to set the anchor. Sign up now to receive exclusive discount offers via email. Whatever the diameter of the stud is, in your case, 3/8″ø, that's the size you drill. The concrete screwor Tapcon® actually taps or cuts threads into the base material as it is inserted into the hole. …, Purchase LDTs ANCHOR TYPE KEY FEATURES SIZE RANGE (inches) RM. reviews. Drill bit size can seem like a minor detail to most but it can actually be really important for deciding how your drill will perform. Anchors used in outdoor or caustic environments/atmospheres should be stainless steel or zinc plated. First, you can size screws simply by inserting them into a hole then reading the marking. Concrete fasteners are referred to as expansion type concrete fasteners. A mason Installs in less than half the time of wedge anchors or adhesive anchors n. Simply drill a pilot hole and drive the LDT anchor by hand or impact. The anchor and the hole diameter are the same, simplifying the anchor installation by placing the anchor through the existing hole in the material to be fastened. Color/Finish Family. Wedge anchors are the way to go whenever possible. As a rule of thumb, the space for the nut and washer is equal to the diameter of the wedge anchor being used. A drill bit size hole card can be very helpful for this. Material: Carbon Steel, Thread Size: 1/4"-20, Finish: zinc plated. Some other helpful information to help you in your knowledge of drill bit sizes: Fractional sizing uses whole, half (1/2), quarter (1/4), eighth (1/8), sixteenths (1/16) and sixty-forths (1/64). Sub-Brand. Click to see full answer Herein, what size wedge anchor do I need? Keep a spare bit on hand, since the tip can wear out rapidly in some hard materials, resulting in a hole that’s too small. Put the nut and washer onto the wedge anchor and make sure that the nut is on the last threads (this will protect the threads from damage when the wedge anchor is hammered into the hole in the concrete). NOTE: Below these charts is the standard fractional size conversion drill chart. Manufacturer Color/Finish. Example: a 3/8" drop in anchor requires a 3/8" setting tool. Lengths of up to 18″ or more may be needed. Here will be showing you how to know what size drill to use. Material. Standard (ANSI) fractional sizes: fits standard fixtures and installs with common drill bit and tool sizes. Drill an appropriate size hole into base material; Clean hole using a dust blower or compressed air ; Insert the nut with a clearance of 1/8'' to the top of the anchor; With a hammer or light mass, insert the anchor into the hole; Remove the nut and insert the object to be installed; Using a wrench, tighten the nut by turning clockwise until there is a strong resistance. Using our drill chart that follows below, you’ll get an idea of just how many sizes there are! Insert the anchor into the hole. $25.50 ADD TO CART ADD TO CART ... drill bit size: 1/4" finish spec: Zinc. The Crete-Flex screw is manufactured from a 410 stainless steel for Welcome to Concrete Fastening Systems, Inc.! For example, something just above 31/64″ would be a half-inch, and anything above 63/64″ would be a 1-inch drill bit size. Specifications. Length: 1-3/4 – 12 n. 2018 IBC Compliant n. Seismic zone (A-B) approved n. ID STAMP Fully-threaded n. Length ID head stamped n. Stainless steel clip n Through-fixture fastening. Using ANSI standard drill bits, carefully drill a hole in the base material. Hilti 3/8 drop anchor that needs a 1/2 inch hole is the size drill bit that most people would use for installing a 3/8 anchor bolt . For this reason, it is imperative to use a proper drill bit. SAVE MONEY. In fact, most nice sets include anywhere from 12-30 pieces of standard drill bit sizes. The only one that does not is the concrete screw. Letter gauge drill sizes are used primarily in North American with A starting with the smallest size working 26 size increments to Z. Visit Concrete Fasteners for more information. Clean the hole or continue drilling additional depth to accommodate drill fines. This chart rounds out the second half of these number gauge sizes down to #1, which is the largest drill bit size. …, Purchase Anchors Silver. It may not be totally evident at first glance. The friction is obtained by the outward pressure created by expanding the anchor against the walls of the hole that is drilled in the base material. Basic, twist-type drill bit sizes (fractional): There are indeed larger sets. Type. Make sure the hole is always drilled 1/2" deeper than the sleeve anchor will penetrate the base material. Specifications. CL. Check out our full drill chart below for a quick reference to find all drill size equivalents. Say, for example, a typical 29-piece set. This final drill chart covers the standard bit sizes from 43/64 to 1 27/64. Made from zinc-plated carbon steel. None. There is no need to use torque to set the anchor since it is set with the correct set pin. 6. United States of America, CONFAST® 304 Stainless Steel Wedge Anchors, CONFAST® 316 Stainless Steel Wedge Anchors, American Hot-Dipped Galvanized ThunderStud Anchor, American 303 Stainless Steel ThunderStud Anchors, American 316 Stainless Steel ThunderStud Anchors, RedHead Trubolt Wedge Anchors - Galvanized, RedHead Trubolt 304 Stainless Steel Wedge Anchors, RedHead Trubolt Wedge Anchors 316 Stainless Steel, Red Head Trubolt+ seismic cracked and uncracked, CONFAST® Zinc Plated Hex Head Sleeve Anchor, CONFAST® Zinc Plated Acorn Head Sleeve Anchor, CONFAST® Zinc Plated Flat Head Sleeve Anchor, CONFAST® Zinc Plated Round Head Sleeve Anchor, CONFAST 304 Stainless Steel Acorn Sleeve Anchor, CONFAST® 304 Stainless Steel Hex Sleeve Anchor, CONFAST 304 Stainless Steel Flat Sleeve Anchors, CONFAST® 304 Stainless Steel Drop-In Anchor, CONFAST® 316 Stainless Steel Drop-In Anchor, 316 Stainless Steel American Made Drop-In Anchors, Hammer Drive Anchor with Stainless Steel Nail, 410 Stainless Steel Tapcons Concrete Screws, All 410 Stainless Steel Tapcons Concrete Screws, 410 Stainless Steel Large Diameter Tapcon®, recommended torque values can be found here. Flat Washers. Drill a hole 1/2" deeper than the anchor will penetrate into the concrete making sure that the. 1/4" x 2-1/4" Red Head Trubolt Wedge Anchor, Zinc, Pkg 100. The hole to be drilled = the same diameter of the outside of the anchor. © Concrete Fastening Systems, Inc.. Insert the sleeve anchor through the fixture hole and into the hole you drilled in the base material. They derive their holding values from friction. Various bit types exist for a wide variety of applications, and in particular what material you’re drilling into. They derive their holding values from friction. This allows for any material to fall when the anchor is inserted into the hole. The metric system is used to define metric drill bit sizes as well. Using a wrench, turn the nut 3-4 times until snug. Choosing Drill Bits By Type. Clean the hole of all debris made during drilling. Place the fixture over the drop in anchor and thread the bolt through the fixture and into the drop in anchor. 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