Metric clearance hole chart for metric bolts and screws according to ASME B18.2.8. M2 Clearance Hole : Close fit: 2.2 mm, Normal fit: 2.4 mm , Loose fit: 2.6 mm. M3 Clearance Hole : Close fit: 3.2 mm, Normal fit: 3.4 mm , Loose fit: 3.6 mm. M4 Clearance Hole : Close fit: 4.3 mm, Normal fit: 4.5 mm , Loose fit: 4.8 mm. M5 Clearance Hole :

2021年11月8日 · Use the below bolt hole clearance chart for Metric size bolts and screws. This table shows how to determine the clearance hole size for a bolt. For example, an M3 bolt with a medium fit would have a 3.4 mm clearance hole. Download the Metric Clearance Hole Chart to save the chart as a PDF – useful to print out to have next to your tools.

Metric thread drill and tap chart with detailed information on tap drill sizes and thread sizes.

2022年10月31日 · Unsure on what size counterbore hole to use for your ANSI Metric socket cap head fasteners? Then look no further! This short post will give you the exact dimensions you need for your screws and bolts.

A clearance hole is a hole drilled through a component to allow a bolt to pass through. Use this table to determine the clearance hole size for metric bolts

The recommended drill and hole sizes for metric fasteners are tabulated in this table calculator

2024年9月14日 · A clearance hole is necessary to permit a fastener to pass through a material without its threads gripping into it, what size should a clearance hole be for different fasteners such as a M4 screw or a 3/8 bolt.

Clearance Holes and Tolerances for Metric Size Fasteners per. ASME B18.2.8-1999, R2010. The recommended drill and hole sizes for metric fasteners are tabulated in this table calculator. The minimum recommended hole is the drill size and the maximum recommended hole size is based on standard tolerances.

Hard wood and soft wood pilot holes, shank clearance holes and countersink diameters. Taps and drill sizes used for Whitworth - ISO 7 and ISO 228 threads. Allowable withdrawal load force. The Engineering ToolBox provides a wide range of free tools, calculators, and information resources aimed at engineers and designers.

Metric clearance hole calculator for bolts and screws to calculate the recommended clearance hole sizes from M1.6 through M64 in three classes of clearance using close-, normal- and loose-fit category.