STAEDTLER Mars Drafting Head - 660 20
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eBaySTAEDTLER 660 20 Mars Drafting Head for A3 and A4 Drawing Boards (Pack of 1)
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Product Information
Full details
The STAEDTLER Mars Drafting Head 660 20 is designed for architects, engineers, and technical drawers who need precise angle control for A3 and A4 drawing boards. Its key benefit is the one-handed STOP&GO mechanism for seamless angle adjustments, enhancing workflow efficiency. A potential consideration is its specific compatibility with STAEDTLER drawing boards.
All features
| Model Part Number | 660 20 |
|---|---|
| Brand | Staedtler |
Extended Product Information
FAQs
What size drawing boards is this drafting head compatible with?
The STAEDTLER Mars Drafting Head 660 20 is specifically designed for use with STAEDTLER 661 A3 and 661 A4 drawing boards.
Can I use this drafting head with drawing boards from other brands?
While it is possible to attach it to compatible guide rails, it is optimized for and guaranteed to work with STAEDTLER 661 series drawing boards. Compatibility with other brands is not officially supported.
How does the STOP&GO mechanism work?
The STOP&GO push-button allows you to release the drafting head for free movement along the drawing board's rail or lock it firmly in place at a desired angle. This enables precise adjustments and secure positioning without needing to manually tighten anything.
What are the additional marks at 7° and 42° for?
These marks are specifically for dimetric projection, a type of pictorial drawing where the horizontal and vertical axes are drawn at different angles (typically 7° and 42°). This drafting head simplifies creating accurate dimetric views.
Are the ruler arms interchangeable?
Yes, the drafting head is equipped with two transparent ruler arms, one 150mm and one 200mm, which can be used on either side as needed. They are designed for this specific model.
How do I clean the drafting head?
Clean the drafting head with a soft, dry cloth. For smudges on the transparent rulers, use a slightly damp cloth with water. Avoid abrasive cleaners.
Can the parallel guides be used for drawing vertical lines?
The parallel guides are primarily designed for drawing parallel lines horizontally or at angles relative to the drawing board's edge. For drawing exact right angles, you would typically use the 0° or 90° setting on the protractor.
Troubleshooting
Drafting head does not move smoothly.
Ensure the guide rails on the drawing board and the head are clean and free of dust or debris. Check for any obstructions in the mechanism. Lightly lubricate the guide rails if necessary, using a silicone-based lubricant sparingly.
STOP&GO button is not locking the angle correctly.
Verify that the drafting head is properly seated on the drawing board rail. Clean the locking mechanism area. Ensure no foreign particles are impeding the button's function. If the issue persists, the internal mechanism may require professional attention.
Ruler markings are smudged or illegible.
Gently clean the ruler arms with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials. If markings are significantly worn, consider replacing the ruler arms if possible.
Drafting head feels loose on the drawing board.
Check that the drafting head is fully engaged with the drawing board's guide rail. Some models may have adjustable tension screws; consult your drawing board's manual if available.
Pros and Cons
Pros
- Enables precise and rapid angle adjustments with one-handed operation.
- Dual-sided scales offer flexibility in measurement and drawing.
- Integrated hatching aid streamlines repetitive drawing tasks.
- Specific marks for dimetric projection enhance technical drawing accuracy.
- Durable construction suitable for frequent use.
Cons
- Primarily designed for specific STAEDTLER drawing boards (661 A3 and A4).
- Requires a learning curve for optimal use of the STOP&GO mechanism.
- May be overkill for casual or hobbyist drawing needs.
Setup, Compatibility & Care
Setup:
The Mars Drafting Head 660 20 is designed to attach directly to the STAEDTLER 661 A3 or 661 A4 drawing boards. Ensure the mounting mechanism on the drawing board is clean and free of debris. Slide the drafting head onto the guide rail of the drawing board until it locks securely in place. Test the movement and the STOP&GO function before starting detailed work.
Compatibility:
- Primary Compatibility: STAEDTLER 661 A3 and 661 A4 Drawing Boards.
- Ruler Arms: Compatible with the included 150mm and 200mm scale arms.
Care:
- Keep the drafting head and drawing board rails clean to ensure smooth movement. Use a soft, dry cloth for regular dusting.
- For stubborn marks on the transparent ruler arms or protractor, use a slightly damp cloth with water or mild soap. Avoid abrasive cleaners or solvents, as they can damage the markings and plastic.
- Store the drawing board and drafting head in a clean, dry environment away from direct sunlight to prevent warping or discoloration.
- Periodically check the STOP&GO mechanism and guide rails for any obstructions.