METRIC CLEARANCE HOLE CHART. 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

Nov 8, 2021 · Use this chart to find out what clearance hole size to use for your metric screws and bolts. A handy PDF is also available to download.

How to read the chart – An M8 bolt with a normal fit should have a 9 mm clearance hole. Imperial clearance hole chart. 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.

Sep 14, 2024 · Check out the clearance hole size chart for metric and imperial bolts, screws, and studs according to ASME B18.2.8 standard.

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.

Sizes Tap Drill Clearance Drill 75% Thread for Aluminum, Brass, & Plastics 50% Thread for Steel, Stainless, & Iron Close Fit Standard Fit Screw Size (mm) Thread Pitch (mm) Drill Size (mm) Closest ... Metric screw size Author: Chris Wood Created Date: 11/9/2016 2:16:18 PM ...

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.

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

Clearance holes for metric bolts: Nominal diameters according ISO 724 - Metric Threads. Recommended clearance holes and drill tap sizes.

Clearance hole chart for inch bolts and screws. Drill size and hole diameter for normal, close and loose fit classes are tabulated.