The life expectations can differ based on the compressive strength and aggregate mixture of the concrete. A SDS shank Tapcon drill bit can be expected to drill 100 holes minimum to full depth in 4,000 psi concrete. How many pilot holes can I expect to get out of a Tapcon drill bit? A straight shank Tapcon drill bit can be expected to drill 60 holes minimum to a 2" depth in 4,000 psi concrete. It is also recommended that the drill flutes be cleared 2 or 3 times when drilling. For optimal performance, it is highly recommended to drill through concrete with a rotary hammer or hammer drill in the hammer mode. Can I drill a pilot hole using a drill rotation-only movement? Although you can drill through concrete with a carbide-tipped bit using a rotary drill only, it will take longer and significantly reduce the drill bit life. Recommended Drill Bit Size (mm) Recommended Drill Bit Size (inch) 3.5mm (6) 3.0mm: 1/8 4.0mm (8) 3.5mm: 9/64 4.5mm (10) 4.0mm: 5/32 5. Why do I need to clean the hole? Cleaning the hole prevents any dust that settles into the hole from potentially interfering with the Tapcon threads. What does ANSI stand for? The American National Standards Institute is a private, non-profit organization that oversees product standards, including masonry drill bits. 3/16", 1/4" and 5/16" Tapcon anchors require specially engineered Tapcon drill bits, which are designed with tighter tolerances than standard ANSI drill bits for maximum holding power. Can I use standard ANSI drill bits to secure Tapcon drill bits? 3/8" and 1/2" Tapcon anchors can use standard ANSI drill bits. This will ensure that any dust that settles in the hole will not interfere with the Tapcon threads. SDS-Max® Masonry Drill Bits are designed for use in a rotary hammer equipped with a SDS-Max® chuck. There are also bits for drilling holes into concrete, plastic, metal, wood, and other materials.How deep do I drill the pilot hole? The drilled hole for a 3/16", 1/4" and 5/16" anchors requires a 1/4" deeper hole, and the 3/8" and 1/2" anchors require a 1/2" deeper hole. website:gridCounter.products website:gridCounter.discountedNetPrice. You can drill soft materials with any bit, but for hard or brittle materials like acrylic or glass, you might need specially designed bits. Shop our full range of SDS drill bits for hammer drills and rotary hammers, designed to drill faster and last longer when anchor drilling in concrete, masonry, and minerals. You can drill just about anything - it all depends on picking the right bit size. Also, drills with half an inch chuck will work with larger bits that are half-inch in diameter.Ĭhoosing the right size of the drill bit will mean that you will be able to get the hole drilled with the least amount of trouble and without causing any damage to the material, yourself, or the tools. Drills with a ⅜-inch chuck will accept bits that are ⅜-inches in diameter. The first and foremost thing is to ensure that the size of the drill bits shank matches your drill size. Why Does the Size of My Drill Bit Matter?ĭifferent drill bit sizes are suitable for different purposes. The drill bit will then spin clockwise to create a hole. To use them, insert the upper end, also known as the shank, into the chuck in the drill. They are attached to the drill, which, when switched on, rotates to power through the workpiece, creating holes of circular cross-section. For shoppers only in the market for a single drill bit, the DeWALT DW5224 ¼-inch x 4-inch carbide hammer drill bit is simple to use. Not everyone is after an entire set of drill bits. Drill bits come in various sizes and shapes. Best Individual Masonry Drill BitDEWALT DW5224 ¼-Inch by 4-Inch Carbide Hammer Drill Bit. A drill bit is a cutting tool used with the drill to create holes in almost any material.
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