Drill Bushing Types Guide: ANSI P, H, SF, PM & More

Choosing the wrong drill bushing can ruin a part, slow down production, and cost your shop real money.

Whether you’re building a new drill jig or upgrading an existing fixture, understanding drill bushing types is one of the most important decisions you’ll make. The right bushing keeps your drill on target, hole after hole, shift after shift.

In this guide, we cover all major ANSI drill bushing types — P, H, SF, PM, SFX, and HM — so you can select the right one with confidence. You’ll also get a full breakdown of press fit vs renewable bushings and a practical selection guide for your specific production needs.

Let’s get started.

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What a toggle clamp is

A Simple Guide to One of the Most Reliable Workholding Tools in Manufacturing

Introduction

In manufacturing, precision and consistency are essential. Whether working with CNC machines, welding fixtures, woodworking jigs, or assembly lines, securing a workpiece properly is critical to maintaining accuracy, safety, and efficiency.

One of the most widely used tools for this purpose is the toggle clamp.

A toggle clamp is a mechanical holding device designed to secure objects firmly in place using a simple lever mechanism. Known for its speed, strength, and reliability, it has become a standard workholding solution across many industries.

This article explains what a toggle clamp is, how it works, the different types available, and why it plays an important role in modern manufacturing.

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