Bosch collated screwdriver magazine attachment GMA55

The Bosch GMA55 is an auto-feed magazine attachment that makes fastening drywall screws faster, more convenient, and more efficient. The attachment enables continuous screwdriving without manually feeding individual screws, helping save time and reduce workload, especially during large-scale drywall installations.

The magazine attachment is designed for comfortable use even in difficult and awkward working positions. Quick depth adjustment and tool-free screw length adjustment allow fast setup for different screw types and materials.

The open construction makes cleaning easy and helps reduce the buildup of dust and debris, ensuring a longer service life and reliable performance even under intensive use.

Key Features

• Auto-feed magazine attachment for fast screwdriving
• Convenient and efficient operation even in difficult working positions
• Quick depth adjustment
• Tool-free screw length adjustment
• Open design for easy cleaning and longer service life
• Durable construction suitable for professional use
• Compatible with Bosch Professional corded and cordless drywall screwdrivers

Compatibility

• Bosch GTB 18V-45
• Bosch GTB 12V-11
• Bosch GSR 18V-EC TE
• Other Bosch Professional drywall screwdrivers

Technical Specifications

• Weight: 0.36 kg
• Maximum screw head diameter: 9.5 mm
• Screw diameter: up to 5 mm
• Screw length: 25–55 mm