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Delivery by Friday, 31 Jul
- Precison engineered bits for a better fit on fasteners
- Large stamped size markings provide quick size identification
- Heat treated for long lasting durability
- S2 steel insert bits offer maximum strength and durability
Key Features
Delivery by Friday, 31 Jul

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Features & Benefits
Precision Fit
Designed specifically for 6.5mm slotted screws, ensuring a snug fit that minimizes slippage and reduces the risk of damaging the fastener.
Durable Construction
Made from high-quality steel, providing exceptional strength and durability, which extends the lifespan of the socket and reduces the need for frequent replacements.
1/4" Drive Compatibility
Designed to fit standard 1/4" drive tools, enhancing versatility and making it a reliable addition to your tool collection for various tasks.
Easy Identification
Clearly marked with size specifications for quick identification, allowing for faster tool selection and improved efficiency on the job.
Corrosion Resistance
Features a protective finish that resists rust and corrosion, ensuring the socket remains in excellent condition even with prolonged use in challenging environments.
Compact Design
The compact size makes it easy to use in tight spaces, providing greater access and maneuverability for tasks in confined areas.
Increased Torque
Engineered to handle high torque applications, enabling users to apply significant force without the risk of tool failure, enhancing productivity.
Time-Saving Tool
Streamlined design allows for quicker fastening and loosening of slotted screws, saving valuable time during assembly and repair work.
Versatile Applications
Suitable for a wide range of applications, from automotive repairs to home improvement tasks, making it an essential tool for professionals and DIY enthusiasts alike.
Safety Features
Built to provide a secure grip on fasteners, reducing the risk of slips that can lead to accidents or damage during use.
Key Specifications
Custom Stock Status
In Stock
Weight
0.01 kg
Brands
Sata
Color
Silver
Size
6.5MM
Quantity Unit
PCS
Model No
GL21503
Item Type
Bit Socket
Material
S2 Steel
Number of Pieces
1
Country Of Origin
China
Usage
Automotive Repairs, Mechanical Engineering, Home DIY Projects, Electronics Maintenance
Distributor
Exclusive Distributor
Frequently Asked Questions
What is the SATA GL21503 1/4" Drive Slotted Bit Socket 6.5mm and what is it used for?
The GL21503 is a precision 1/4" drive slotted bit socket designed to fit 6.5mm slotted screws. It’s ideal for automotive, mechanical, and general DIY tasks where a snug, secure fit and reliable torque are needed in tight spaces.
What makes the 6.5mm slotted fit precise and reliable?
It’s engineered for a precise fit with a snug interface to minimize cam-out and fastener damage. Large stamped size markings provide quick size identification, helping you grab the right tool fast on busy jobs.
What materials and treatments are used in this socket?
The bit uses a high-strength S2 steel insert with heat treatment for increased hardness and durability, plus a corrosion-resistant finish to extend life in challenging environments.
What does 1/4" drive compatibility mean for my toolkit?
1/4" drive compatibility means you can use this socket with standard 1/4" drive ratchets, wrenches, or power drivers, making it versatile for various tasks.
How does this socket perform under high torque?
Designed to handle higher torque applications, it delivers strong performance without the tool or fastener slipping or deforming, thanks to its durable construction and precise fit.
In what scenarios would this socket be especially useful?
It’s well-suited for automotive repairs, equipment maintenance, and home improvement tasks that involve 6.5mm slotted screws, particularly when space is tight and a compact tool is advantageous.
How can I quickly identify the size on this socket?
The socket features large stamped size markings for rapid size recognition, helping you select the correct tool at a glance.
Do you have any usage tips to maximize performance?
Attach the socket to a matching 1/4" drive tool, ensure the bit seats fully onto the screw, apply steady torque, and avoid using the socket as a pry tool or for levering to prevent damage.
Are there safety considerations I should keep in mind?
Yes. Use the properly sized bit to minimize cam-out, keep hands clear of the fastener area, and inspect the socket for wear before heavy use to maintain a secure grip.
What are some good alternative 1/4" drive slotted bit sockets on Fepy?
- SATA GL21504 1/4" Drive Slotted Bit Socket 6.5mm: https://fepy.com/product/sata-gl21504-1-4-drive-slotted-bit-socket-6-5mm - SATA GL21501 1/4" Drive Slotted Bit Socket 6.0mm: https://fepy.com/product/sata-gl21501-1-4-drive-slotted-bit-socket-6-0mm
What comes with the GL21503 when I buy it?
Typically you’ll receive the 1/4" drive slotted bit socket itself. Some listings may include related accessories, so check the product page details for specifics.
Can I return this item if it doesn’t meet my needs?
Yes. You can return the item under Fepy's standard return policy, subject to eligibility and the condition of the product at return time.
Frequently Asked Questions
The GL21503 is a precision 1/4" drive slotted bit socket designed to fit 6.5mm slotted screws. It’s ideal for automotive, mechanical, and general DIY tasks where a snug, secure fit and reliable torque are needed in tight spaces.
It’s engineered for a precise fit with a snug interface to minimize cam-out and fastener damage. Large stamped size markings provide quick size identification, helping you grab the right tool fast on busy jobs.
The bit uses a high-strength S2 steel insert with heat treatment for increased hardness and durability, plus a corrosion-resistant finish to extend life in challenging environments.
1/4" drive compatibility means you can use this socket with standard 1/4" drive ratchets, wrenches, or power drivers, making it versatile for various tasks.
Designed to handle higher torque applications, it delivers strong performance without the tool or fastener slipping or deforming, thanks to its durable construction and precise fit.
It’s well-suited for automotive repairs, equipment maintenance, and home improvement tasks that involve 6.5mm slotted screws, particularly when space is tight and a compact tool is advantageous.
The socket features large stamped size markings for rapid size recognition, helping you select the correct tool at a glance.
Attach the socket to a matching 1/4" drive tool, ensure the bit seats fully onto the screw, apply steady torque, and avoid using the socket as a pry tool or for levering to prevent damage.
Yes. Use the properly sized bit to minimize cam-out, keep hands clear of the fastener area, and inspect the socket for wear before heavy use to maintain a secure grip.
- SATA GL21504 1/4" Drive Slotted Bit Socket 6.5mm: https://fepy.com/product/sata-gl21504-1-4-drive-slotted-bit-socket-6-5mm - SATA GL21501 1/4" Drive Slotted Bit Socket 6.0mm: https://fepy.com/product/sata-gl21501-1-4-drive-slotted-bit-socket-6-0mm
Typically you’ll receive the 1/4" drive slotted bit socket itself. Some listings may include related accessories, so check the product page details for specifics.
Yes. You can return the item under Fepy's standard return policy, subject to eligibility and the condition of the product at return time.
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Manufacturer Warranty
Official warranty coverage from brand manufacturers
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Choose Cash or Card as your payment
AED 100+ Min. order value
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100% secure payment processing
256-bit SSL encryption
Free Delivery
On all orders above AED 200 across UAE
Same Day In Abu Dhabi & Dubai
100% Genuine
Authentic products guaranteed
Authorized Distributor
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7-day easy return policy
No questions Asked policy
