Gewa REPLACEMENT BLADE FOR PEG SHAPER VIOLIN/VIOLA
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What you need to know
What you need to know
Essential Information About the 1:30 Tapered Reamer Set (4 pieces)
- Set of 4 reamers for fitting work in lutherie and workshops (tapered drilling and adjustments).
- Standard 1: 30 taper, suitable for common tapered assemblies (dowels and tapered parts according to diameter).
- Cutting length 50 mm for stable guidance and gradual work.
- 4 diameters to cover various needs: 8x6.3 / 8.5x6.8 / 9x7.3 / 9.5x7.8 mm.
Manufacturer Information
Gewa
https://www.gewamusic.com
info@gewamusic.com
------------------------
Safety manager:
GEWA music GmbH
Email: info@gewamusic.com
Address:
A Workshop Standard: the 1:30 Taper
The 1:30 taper is a frequently used reference to achieve consistent contact over the entire length of a tapered assembly. This type of reamer allows precise fine-tuning of a fit by controlling the cutting progression and concentricity, a key point for reliable and durable assemblies.
Intended Use and Users
This set is designed for luthiers, repair workshops, and experienced DIYers seeking a tool dedicated to tapered fitting. It is especially suitable for operations requiring precision (progressive sizing, correction of an existing taper), working with light passes to avoid tearing and preserve geometry.
Sound Quality
Although this tool does not have a direct impact on sound, a clean and consistent tapered fit contributes to mechanical stability (holding strength, absence of play, uniform contact). On bowed string instruments, a well-fitted assembly supports more comfortable use and better reliability in daily playing.
Technical specifications
| Instrument | Viola, Viola | ||
| Number of pieces | 4 | Taper | 1:30 |
| Cutting length | 50 mm | Dimensions | 8 x 6,3 mm ; 8,5 x 6,8 mm ; 9 x 7,3 mm ; 9,5 x 7,8 mm |
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Questions frequently asked
Is this replacement blade compatible with both violin and viola?
This blade is designed for violin and viola pegs.
What taper does the Gewa blade use for peg reamer?
The stated taper is 1:30. This specification is commonly used to achieve consistent contact on the bearing surface of a conical fitting.
What is the cutting length of this peg reaming blade?
The cutting length is 50 mm. It allows for progressive diameter adjustment during the conical fitting process.
Does the 1:30 taper allow correction of an existing peg taper?
It can be used to correct an existing taper and refine the fitting. Light passes help preserve the geometry and concentricity. This method also reduces the risk of tearing.
For what level of experience is this peg reamer blade suitable?
Intended for luthiers, repair workshops, and experienced hobbyists, this blade is suitable for operations requiring precise conical adjustment on violin or viola.
