POLSOFT Two-Step Drill Bit fi 8.6/8.1 with Distance Sleeve for Adjustable Hinge 20

Product Overview

The two-step drill bit fi 8.6/8.1 with distance sleeve by POLSOFT is used in professional joinery or metalworking contexts for preparing holes tailored to adjustable hinges type 20. Installers and fabricators use it for precise hole preparation during door and frame installation, especially in environments requiring accuracy and repeatability.

Its integrated distance sleeve is the notable differentiator, preventing over-drilling and ensuring consistent hole depth and alignment. This reduces installation risk, improves speed, and ensures compatibility in series production or bulk fitting scenarios. Particularly suited for OEM door manufacturing and commercial fabrication shops needing reliable hinge preparation tooling.

Key Features

• Two-step drilling ? fi 8.6/8.1 mm diameters compatible with adjustable hinge type 20 installations


• Integrated distance sleeve ? controls hole depth for accurate and repeatable results


• Precision bit geometry ? facilitates clean entry and minimizes burr formation


• Suitable for adjustable hinges ? tailored design for regulated hinge systems


• OEM compatibility ? meets requirements for batch manufacturing and standardized assemblies

Technical Specifications

• Drill Diameter Step 1: 8.6 mm


• Drill Diameter Step 2: 8.1 mm


• Type: Two-step drill bit


• Compatible Hinge Type: Adjustable hinge 20


• Distance Sleeve: Integrated

Applications

Used in door and frame manufacturing, commercial joinery, and metalworking workshops for precise preparation of holes for adjustable hinges type 20. Suitable for OEM production lines, bulk installations, and projects requiring consistent hardware fitting.

Packaging & Shipping

Standard export packaging. Each unit includes the drill bit with integrated distance sleeve, ready for immediate use in production environments.