Hammerhead toolset

Boring Angle Protractor

The Horizontal Boring Angle Protractor is an essential tool designed specifically for piano technicians. This protractor precisely measures the angle of hammer boring according to either the original hammers or an adjustable fake hammer head, ensuring accurate alignment within the action frame. Suitable for all hammer heads up to 12 mm in width, this protractor includes a 360-degree scale for precision. Made with high-quality 3D printing, it's built to last and provide reliable measurements for both professional and educational settings.

Features:

• Compatible with hammer heads up to 12 mm in width
• 360-degree scale for accuracy
• Made with high-quality 3D printing for durability

Rake Protractor

Designed to measure the vertical boring angle, this protractor is a reliable tool for piano technicians who seek accuracy in achieving the standard 91° vertical angle on grand pianos or adjusting for wider angles on uprights. This tool is a must-have for any professional working on fine adjustments and achieving the perfect alignment in piano actions.

Features:

• Measures standard industry vertical angles (87°-93°)
• Durable and easy to use for consistent results
• Crafted with precision 3D printing

Adjustable Dummy Hammerhead

Description:
The Adjustable Dummy Hammerhead is an invaluable tool for technicians working without the original hammers or aiming to optimize piano actions. This adjustable head allows for accurate hammer angle settings, providing technicians the flexibility to match any configuration accurately. Paired with our protractors, it becomes the perfect companion for maintaining consistent, high-quality hammer alignment.

Features:

• Adjustable design for multiple configurations
• Compatible with grand and upright pianos
• Easy setup to ensure accurate angle measurements