Bosch GAM 220 MF Digital Angle Finder Amaris Hardware Solutions
Bosch GAM 220 MF Professional Digital Angle Finder Amaris Hardware Solutions
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Bosch GAM 220 MF Digital Angle Finder Amaris Hardware Solutions
Bosch GAM 220 MF Professional Digital Angle Finder Amaris Hardware Solutions
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Bosch GAM 220 MF Digital Angle Finder

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The Bosch GAM 220 MF Digital Angle Finder is a versatile 4-in-1 tool combining an angle finder, mitre calculator, protractor, and level. It features a 0-220° measuring range, 40cm arm length, angle measurement accuracy of ±0.1°, and vial levelling accuracy of ±0.05°. Key features include a memory function for frequently used angles, automatic single and double mitre angle calculation, illuminated rotating flip display, manual leg lock, and easy field calibration. Robust aluminium housing with IP54 protection, powered by 4 x AA batteries with up to 80 hours battery life. Includes leg extension, protective bag, and carry case. Suitable for carpenters, cabinet makers, joiners, and general contractors .
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Description

Table of Contents

Bosch GAM 220 MF Digital Angle Finder

PRIMARY USES

1. Precision Angle Measurement and Calculation
Primary Use: A professional digital angle finder (0-220° measuring range, 40cm arm length) used for measuring angles, calculating mitre cuts, and levelling. This is four tools in one: an angle finder, a mitre calculator, a protractor, and a level. Essential for carpentry, joinery, and installation work requiring precise angle transfer and cut calculation.
How it helps: For carpenters, cabinet makers, and contractors, the digital angle finder eliminates the need for multiple tools and manual calculations. The illuminated, rotating flip display is easy to read in any position, including overhead work . The tool’s angle memory function stores frequently used angle measurements for quick recall and transfer across different work areas . The manual leg lock allows repositioning to check the same angle on multiple surfaces . At 40cm arm length and 1.2kg weight, the tool provides stable, accurate measurement on large workpieces .
2. Mitre and Compound Cut Calculation
Primary Use: Automatically calculates single and double mitre cut angles for crown moulding, picture frames, and trim work.
How it helps: The mitre calculator feature takes the guesswork out of cutting angles. Simple mitre cuts have an input range of 0-220°, while compound cut angles range from 0-180° . The tool automatically calculates both single and double mitre angles without requiring additional aids . Clearly labelled buttons make calculations straightforward, reducing waste and rework .
3. Angle Transfer and Layout
Primary Use: Transfers measured angles directly from existing surfaces to workpieces for duplication.
How it helps: The angle memory function stores measured angles, allowing the user to reproduce the same angle in different areas of the jobsite . The manual leg lock ensures the tool holds its position when repositioning, maintaining measurement consistency . This is particularly useful for duplicating existing angles on trim, cabinetry, and structural elements.
4. Levelling and Alignment
Primary Use: The built-in vial level provides instant levelling verification alongside angle measurement.
How it helps: The two-level vial system offers levelling accuracy of ±0.05°, making the tool effective for checking horizontal and vertical alignment . The robust aluminium housing with IP54 protection ensures durability on job sites .

SECONDARY USES

1. Protractor Use: The digital protractor function allows direct angle reading without needing separate measurement tools.
2. Template Creation: Duplicate angles for creating templates and jigs for repetitive work.
3. Roof Framing: Measure and transfer angles for roof rafters and trusses.
4. Staircase Construction: Check and transfer angles for stair stringers and handrails.
About brand
**Bosch** is a leading German brand founded in **1886**, renowned for its high-quality, innovative, and reliable engineering solutions. In the hardware industry, Bosch is best known for its durable power tools, measuring equipment, and accessories, trusted by professionals and DIY users worldwide. With a strong focus on performance, precision, and innovation, Bosch continues to set the standard for quality in construction, manufacturing, and home improvement.
KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

  • Device Type: Digital angle finder; not a medical device.
  • Designation: Bosch GAM 220 MF Professional (Order number 0 601 076 600) 
  • Tools in One: Angle finder, mitre calculator, protractor, and level 
  • Measuring Range: 0° – 220° 
  • Arm Length: 40 cm 
  • Material: Aluminium 
  • Protection: IP54 (dust-protected and splash-proof) 
  • Country of Origin: China 

2. TECHNICAL & PERFORMANCE PROPERTIES

  • Angle Measurement Accuracy: ±0.1° 
  • Vial Levelling Accuracy: ±0.05° 
  • Accuracy of Calculated Angle: ±0.1° 
  • Display: Illuminated, rotating flip display 
  • Power Supply: 4 x 1.5V LR6 (AA) batteries 
  • Battery Life: Up to 80 hours 
  • Automatic Deactivation: Approx. 30 minutes 
  • Simple Mitre Cut Input Range: 0° – 220° 
  • Compound Cut Input Angle Range: 0° – 180° 
  • Leg Extension Range: 0" – 6-3/4" 
  • Dimensions: 447mm x 52mm x 60mm 
  • Weight: Approx. 1.2 kg 

3. PHYSICAL & OPERATIONAL PROPERTIES

  • Preparation: Insert 4 AA batteries. Place the tool's base against one surface and extend the arm to the other surface.
  • Usage Instructions: The display shows the measured angle. Use the memory function to store frequently used angles. The mitre calculator automatically computes single and double cut angles. Use the manual leg lock to hold a measurement for transfer. The flip display rotates for easy reading in any position, including overhead work.
  • Field Calibration: Easy calibration for consistent results 
  • Memory Function: Stores angle measurements for repeated use 
  • Storage Conditions: Store in a dry, secure place. Keep in protective bag.
  • Cleaning: Clean housing with soft, dry cloth.
  • Leg Extension: 16" leg extension for longer workpieces 

4. SAFETY & COMPLIANCE ATTRIBUTES

  • Safety Classification: Simple measuring tool; no laser or electrical hazards beyond standard battery operation.
  • Environmental Protection: IP54 protection against dust ingress and water splashes 
  • Regulatory: Complies with relevant CE and UKCA standards.
  • Battery Safety: Use only recommended battery types (AA). Do not short-circuit or dispose of in fire.

5. STORAGE & HANDLING ATTRIBUTES

  • Storage: Store in a dry, secure place. Remove batteries if storing for extended periods.
  • Inspection: Regularly inspect tool for damage. Perform field calibration periodically to ensure consistent accuracy.
  • Usage: Suitable for both indoor and outdoor use. IP54 rating provides protection against dust and water splashes.
  • Transport: Use the supplied protective bag and case for transport
SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Mechanical Safety: No special safety precautions required beyond normal care. Ensure the tool is placed on a stable, clean surface for accurate measurement.
Battery Safety: Use only recommended battery types (AA). Do not mix old and new batteries. Remove batteries if the device will not be used for long periods.
Operational Safety: This is a measuring tool, not a power tool. It contains no moving parts or cutting elements. Use with reasonable care to avoid dropping.
Maintenance: Clean with a soft, dry cloth. Do not use aggressive cleaning agents. Have repairs performed only by authorised service centres.
Training requirement: No specialised training required. Basic instruction on reading the display and using the memory and mitre calculator functions is recommended.

2. FIRST AID MEASURES

Eye Exposure: Not applicable for normal use.
Skin Contact: Not applicable for normal use.
Battery Leakage: Avoid skin contact with battery acid. Wash affected area with soap and water. Seek medical attention if irritation occurs. If acid enters eyes, rinse with plenty of clean water for at least 15 minutes and seek immediate medical attention.
Inhalation: Not applicable for normal use.
Ingestion: Not applicable for normal use.

3. FIRE FIGHTING MEASURES

Flammability: The tool is predominantly aluminium, which is not flammable. Plastic parts and batteries may burn if exposed to fire.
Extinguishing Media: Use water spray, foam, dry chemical powder, or carbon dioxide (CO₂) for fires involving tools.
Fire Response: In event of fire, evacuate the area and call emergency services. Use appropriate extinguishers. Do not inhale fumes from burning batteries or plastics.

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