TAP DRILL SIZES - INCH & METRIC with DRILL SIZE FORMULAS

LittleMachineShop com • (800) 981-9663 Tap & Clearance Drill Sizes Tap Drill Clearance Drill Screw Size Major Diameter Plastics Threads Per Inch Minor Aluminum, Brass, Diameter 75 Thread for & 50 Thread for Steel, Stainless, & Iron Close Fit Free Fit Drill Size Dec Eq Drill Size Dec Eq Drill Size Dec Eq Drill Size Dec Eq

Using the Three-Wire Method to Measure Threads

©2011 LittleMachineShop com Page 3 of 4 Chris’ Tip: You can find the pitch diameter of unified and metric screw threads in Machinery’s Handbook and also in Machineries Handbook Pocket Companion Both of these books are available from LittleMachineShop com Wire Sizes and Constants TPI Wire Size Const TPI Wire Size Const

Metric Tap & Clearance Drill Sizes - University of Washington

LittleMachineShop com • (800) 981-9663 Tap & Clearance Drill Sizes Tap Drill Clearance Drill 75 Thread for Aluminum, Brass, & Plastics 50 Thread for Steel, Stainless, & Iron Screw Close Fit Free Fit Size Major Diameter Threads Per Inch Minor Drill Size Dec Eq Drill Size Dec Eq Drill Size Dec Eq Drill Size Dec Eq

Metric Acme Thread Dimensions Chart

Metric Screw Thread Chart The design principles of ISO general-purpose metric screw threads ("M" series threads) are defined in international standard ISO 68-1 Each thread is characterized by its major diameter, D (D maj in the diagram), and its pitch, P ISO metric threads consist of a symmetric V-shaped thread

DECIMAL EQUIVALENTS CHART - Fastenal

MACHINE SCREW, FRACTIONAL & METRIC SIZES Inch Metric Cutting Taps Forming Taps Tap Size & Pitch Drill Size Dec Equiv Drill Size Dec Equiv 0-80 3/64 0469 54 0550