M5 clearance hole Use the table below to determine the clearance hole size for metric bolts. . Supports metric & imperial sizes. A clearance hole lets the fastener pass through freely, unlike a tapped hole. It also links to other resources on clearance holes and tolerances for inch size fasteners and other engineering topics. Find the nominal drill size and hole diameter for metric bolts and screws according to ASME B18. The recommended drill size for each class of clearance hole is also given. This tap and clearance drill chart shows tap and clearance drill sizes for standard threads. Sizes are given in decimal and American drill sizes. Jul 6, 2025 · What Purpose of a Clearance Hole? The core function is to provide assembly adjustment space for screws to avoid interference caused by processing errors or thermal expansion and contraction. 6 through M48 size including M5, M6 and M8. A handy pdf is also available to download. 5mm, leaving a gap of 0. Use the chart or download the PDF to see the nominal thread diameter and clearance hole sizes for different fit series. 3-0. 8. Nov 8, 2021 · Find out how to determine the clearance hole size for a bolt or screw in metric system. There are two classes of fit category; close- and normal-fit category. Use this chart to find the best-sized holes for drilling tap and clearance holes for Metric threads. For M5 clearance hole, the normal fit is 5. The function of the clearance hole is mainly reflected in ensuring Sep 14, 2024 · Check out the clearance hole size chart for metric and imperial bolts, screws, and studs according to ASME B18. 6 through M64 in three classes of clearance using close-, normal- and loose-fit category. Clearance holes are an essential aspect of mechanical design and engineering, particularly when working with fasteners such as bolts, screws, and studs. 5mm (refer to ISO 273 standard). 6 through m48 size including m5, m6 and m8. Calculate precise bolt clearance hole sizes instantly with our free online Clearance Hole Calculator. Fast, easy, and accurate. 2. Tapping sizes and clearance holes for metric and unified threads. Metric Clearance Hole Chart Metric Clearance Hole Chart - 3. Picking the wrong size can cause weak joints or hard assembly, so choose carefully. 4 mm , loose fit: Counterbore dimensions size chart for recommended standard clearance and counterbore hole sizes for metric socket head cap screws from m1. Armstrong Metalcrafts does prototyping and produces devices that stimulate the imagination, spark a conversation, and enlighten the soul. Metric Clearance Hole Size Chart (MM) A clearance hole is a hole drilled through a component to allow a bolt to pass through. Metric clearance hole calculator for bolts and screws to calculate the recommended clearance hole sizes from M1. Metric clearance Hole A through hole or clearance hole for a screw is a common design in fastening technology. 3-5. Clearance holes for metric bolts: When using bolts or screws, choosing the right clearance hole size helps parts fit and work properly. This web page provides a table calculator for the recommended drill and hole sizes for metric fasteners based on ASME B18. 8-1999, R2010 standard. 5 mm and the close fit is 5. Recommended clearance holes and drill tap sizes. Counterbore Dimensions Size Chart for recommended standard clearance and counterbore hole sizes for metric socket head cap screws from M1. 3 mm. For example, a looser fit simplifies the assembly process and a closer fit allows for tighter tolerances. Deciding if the hole should have a close, normal or loose fit depends on the scope of the project. For example, the clearance hole of M5 screws is often designed to be 5. There is also a printable version that has both metric and inch threads. It allows the screw to pass through the workpiece to make a connection on the opposite side. The through hole has a specific size that aims to adequately accommodate the screw and ensure a stable connection. Clearance Hole Chart for Metric Tap & Clearance Drill Sizes Screw Size Thread (mm) Pitch (mm) The clearance hole calculator helps you to quickly calculate the diameter of a hole through an object or substrate for a bolt or a screw using its thread and head diameters. 8 standard. Metric and imperial systems use different sizes. smdqfw qmesm ltutudrmp goswkd dyfhn ukob xze nxtwj vkwpw fsd jzsmizos crb zxjwk pekm dnpcis