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SKU:RTS-Guitar Tuners-GK-434SPGWH-6R
PRODUCT DESCRIPTION
Upgrade your electric guitar with Guyker GK-434SP no-screw locking tuners designed for smooth 1:18 tuning control, faster string changes, and a clean in-line installation look. This 6R right-hand tuning key peg set is suitable for compatible guitar replacement and custom build projects where the 10 mm peg hole size, no-screw mounting pin position, and tuner footprint match the size chart.
Key Features
- No-screw locking tuner design: Uses a mounting pin structure instead of a standard rear mounting screw, helping create a cleaner installation look on compatible headstocks.
- 1:18 gear ratio: Provides smooth and precise tuning adjustment for setup work, recording, and everyday playing.
- 6R right-hand layout: Designed for right-hand guitar headstocks using six in-line right-side tuning machines.
- 10 mm peg hole fit: Designed for compatible modern 10 mm headstock holes when the mounting pin position also matches.
- Complete installation hardware: Includes guitar machine heads, threaded bushings, mounting screws, and ferrules.
- Fitment reminder: Please check the size chart before ordering, especially the 10 mm peg hole requirement, 11.7 mm mounting pin position, post diameter, bushing dimensions, and tuner footprint.
Technical Specifications
| SKU / Model | GK-434SP |
| Variant SKU Reference | Guitar Tuners-GK-434CSP-6R |
| Product Type | No-Screw Locking Tuners / Guitar Machine Heads |
| Suitable For | Compatible electric or acoustic guitars with 10 mm tuner holes and matching no-screw mounting pin position |
| Layout | 6R / Right-Handed Guitar |
| Gear Ratio | 1:18 |
| Peg Hole Requirement | 10 mm |
| Weight per pc / per set | 35 g / 216 g |
| String Post Overall Height | 27.9 mm |
| String Post Diameter | 6 mm |
| Max. String Gauge | 1.8 mm |
| String Thru Hole Center Height | 22.5 mm |
| Mounting Pin to Post Center | 11.7 mm |
| Bushing Type | Screw-in hex head |
| Bushing Reference | Ø14 mm outer reference, Ø8.1 mm inner reference, Ø6.2 mm section, 14.5 mm height shown in size chart |
| Housing Reference | 22.5 mm width and 21.5 mm height shown in size chart |
| Button Reference | 18.6 mm width and 13.9 mm height shown in size chart |
| No-Screw Mounting | Yes; mounting pin position must match the guitar headstock |
| Finish / Color Options | Chrome, Black, Gold, C White Handle, B White Handle, G White Handle, Blue + Chrome + Blue Button |
| Package Includes | 6 x guitar machine heads, 6 x threaded bushings, 6 x mounting screws, 6 x ferrules |
Compatibility Notes
Important: This tuner set is designed for compatible modern 10 mm headstock holes, but the no-screw mounting pin position must also match your guitar. The original product page notes compatibility with a wide range of Gibson Les Paul, Fender Strat, SG, LP, EPI, Telecaster-style electric or acoustic guitars; however, guitar models and tuner footprints vary. Please compare the size chart with your original tuners before ordering.
Not suitable for: Fender Squier, Fender Japan MIJ, Fender Vintage, Vintage Reissue, and Fender Custom Shop Vintage models according to the original product page. Please verify your peg hole diameter, post diameter, bushing size, mounting pin position, and tuner footprint before installation.
Package Includes
- 6 x guitar machine heads
- 6 x threaded bushings
- 6 x mounting screws
- 6 x ferrules
Installation Note
Before installation: Do not force the tuner posts or bushings into incompatible headstock holes. Confirm that the no-screw mounting pin position matches your headstock before tightening the bushings or hardware.
Video
Size Reference
Important: Please refer to the size chart below and compare all dimensions with your original part before ordering.

VIDEO
FAQS
Do you class a reverse headstock guitar as a left hand guitar?
How do I determine the right size/fit for a specific accessory?
Can you provide more details about the materials used in your products?
At Guyker, we prioritize the use of high-quality materials to ensure the durability and performance of our products. While the specific materials used may vary depending on the accessory, we commonly utilize materials such as:
■ Metals: We often use materials like stainless steel, aluminum, and brass for hardware, bridges, and other metal components.
■ Plastics: Certain accessories may incorporate durable and impact-resistant plastics such as ABS or polycarbonate for knobs, pickguards, and other components.
■ Woods: Some accessories, like guitar knobs or picks, may be made from various types of wood, including rosewood, ebony, or maple.
For more detailed information about the materials used in a specific product, we recommend reviewing the product descriptions or reaching out to our customer support team at [support@guyker.com] for further clarification.
Do you offer international shipping?
Yes, we offer international shipping to customers worldwide. When placing your order, please ensure that you provide accurate international shipping information, including your complete address and contact details.
Please note that international shipping may be subject to customs duties, taxes, and additional fees imposed by the destination country. These charges are the responsibility of the recipient and may vary depending on the country's customs policies.
What is your process for returning or exchanging a product?
To initiate a return or exchange, please follow these steps:
■ Contact our customer support team at [support@guyker.com] or visit our website's Returns/Exchanges page.
■ Provide your order details and the reason for the return or exchange.
■ Our customer support team will guide you through the process and provide you with a return/exchange authorization if applicable.
■ Follow the instructions provided, including packaging the product securely and attaching the necessary labels or documentation.
■ Ship the product back to us using a traceable and insured shipping method.
■ Once we receive the returned product and verify its condition, we will process the return or exchange accordingly.
Can I return or exchange a product if it's been used?
In most cases, products that have been used or show signs of wear may not be eligible for return or exchange unless there is a defect or error on our part. We recommend reviewing our specific return/exchange policy or contacting our customer support team at [support@guyker.com] to determine the eligibility of your particular product.
Do I need to cover the return shipping costs?
The responsibility for return shipping costs may vary depending on the reason for the return or exchange. In some cases, such as if the product is defective or if we made an error, we will provide a prepaid shipping label or reimburse your return shipping costs. However, if the return or exchange is due to a change of mind or a non-defective product, you may be responsible for the return shipping costs. We recommend reviewing our return/exchange policy or contacting our customer support team at [support@guyker.com] for specific details regarding return shipping costs.

Ready to Ship (US) | GK-434SP 6 Right Hand In-line Guitar Tuning Key Pegs No Screws
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