Sparedrum SN-HE-18B - SWIVEL NUT 18MM HEX HEAD - BRASS (X4)
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What you need to know
What you need to know
- Ideal replacement part for restoring a lug and regaining reliable tuning
- Hexagonal head for secure mounting and retention in the lug
- Brass: good resistance to wear and threading, suitable for the tension demands of tension rods
- Set of 4 pieces to repair multiple lugs or build a workshop stock
Manufacturer Information
Sparedrum
https://www.sparedrum.com
info@sparedrum.com
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Safety manager:
VBV International
Email: info@vbvinternational.com
Address:
Historical Context and Positioning in the Range
This type of insert (often called a "tube") is one of the essential consumables in drum hardware: it allows worn lugs to be refurbished without replacing the entire lug. It is a simple and effective solution for the maintenance, restoration, and regular upkeep of drum shells.
Intended Users for this Drum/Instrument
Designed for drummers, technicians, drum builders, and studios who want to secure tuning and extend the hardware's lifespan. Suitable for all levels, from beginners repairing a lug to professionals maintaining an instrument fleet for the stage.
Features and Innovations
The insert screws/tightens via its hexagonal head for stable placement in the lug, then receives the tension rod with the indicated standard thread. It helps reduce issues with tension rods that "become loose," damaged threads, or irregular tuning stability.
Sound
This part is not intended to radically change the timbre but directly contributes to a more consistent tension of the tension rods, resulting in more precise and stable tuning. Brass is valued for its robustness and consistent tightening, which helps preserve the natural resonance of the shell by avoiding mechanical weak points.
Technical specifications
| Tension rod threading | standard #12-24 (approximately 7/32 diameter, per manufacturer's indication) | Material | brass |
| Type | insert/tube with hexagonal head for lug | Quantity | set of 4 pieces |
Questions frequently asked
What tension rod threading is compatible with this lug?
The insert accepts tension rods with standard #12-24 threading, indicated with a diameter of approximately 7/32 according to the manufacturer. Compatibility of the existing tension rod with this pitch must be verified before installation.
Is the Sparedrum SN-HE-18B lug suitable for repairing a drum shell?
This part is designed to replace a worn insert in a shell without requiring complete replacement of the lug. Its hexagonal head allows for stable tightening within the shell.
How many lugs are supplied?
The packaging includes 4 brass inserts.
What is the benefit of brass for a shell insert?
Brass is the recommended material for these lugs. It provides consistent tightening and contributes to even tension of the tension rods.
Does this lug improve the tuning stability of a drum?
More even tension of the tension rods helps achieve more precise and stable tuning. Replacing a damaged threading can reduce play on the tension rod. This part does not radically alter the drum's tone.



