RS3300X-8 YAMASHITA INDUSTRIAL RESEARCH INSTITUTE Ko Ken Set

Review YAMASHITA INDUSTRIAL RESEARCH INSTITUTE Ko-ken Rs3300x/8 3/8 Inch Socket Set 6-point Semi-deep Sae Pcs Rs3300xa/9 Lock Rail

Introducing the Yamashita Research Institute CO-KEN RS3300X/8 3/8 Socket Set, a comprehensive collection of high-quality, semi-deep, 6-point sockets designed to cater to various automotive and mechanical repair needs. This set, which includes the RS3300xA/9 lock rail, is a must-have for both professional mechanics and DIY enthusiasts.

Each socket in this set measures 3/8 inch and is engineered with a semi-deep, 6-point design. The 6-point feature ensures a superior grip on hexagonal bolts, providing the added advantage of reducing the possibility of rounding off the corners. The semi-deep design ensures a snug fit and maximum torque transfer, making it perfect for reaching into tight spaces.

The Yamashita Research Institute CO-KEN RS3300X/8 Socket Set comprises 8 pieces, ranging from 10mm to 27mm in size, ensuring that you have the right tool for a variety of tasks. Each socket is made from premium SAE J3342 grade material, which is known for its exceptional strength, durability, and resistance to wear and tear.

The RS3300X/8 sockets also boast a chrome molybdenum coating, which not only adds to their aesthetic appeal but also provides an extra layer of protection against rust and corrosion. The chrome finish is also easy to clean and maintain.

The set also includes the RS3300xA/9 lock rail, which is a versatile accessory that allows for the use of the sockets with an impact wrench. The lock rail design ensures that the sockets remain securely attached to the wrench, reducing the risk of the sockets coming loose during high-torque applications.

The Yamashita Research Institute CO-KEN RS3300X/8 3/8 Socket Set with RS3300xA/9 lock rail is a reliable and robust solution for all your automotive and mechanical repair needs. Its high-quality construction, 6-point design, and semi-deep feature make it an indispensable addition to any workshop or toolbox.

The Yamashita Research Institute Ko-ken RS3300X/8 3/8 inch socket set with 6-point semi-deep PCS RS3300AX/9 lock rail is a popular choice among mechanics and DIY enthusiasts for its durability, versatility, and value. Here are some potential pros and cons of purchasing this socket set:

1. High-quality materials: The sockets in this set are made of chrome molybdenum steel, which is known for its strength and durability. The chrome finish provides resistance to rust and corrosion, ensuring the tools last longer.

2. Wide range of sizes: The socket set includes 3/8 inch sockets in various sizes, allowing users to tackle a wide range of bolts and nuts.

3. 6-point design: The 6-point design of the sockets provides greater contact with the hexagonal bolt head, reducing the risk of rounding or damaging the bolt.

4. Locking rail: The locking rail provides an extra level of security, preventing the sockets from falling off the wrench or extension bar during use.

5. Affordable: Compared to other socket sets with similar features, this Yamashita Research Institute set is relatively affordable.

1. Heavier than some competitors: Due to the high-quality materials used in the construction of the sockets, this set is heavier than some other socket sets on the market.

2. Not ideal for very tight spaces: The semi-deep sockets may not be the best choice for very tight spaces, as they require more clearance than shallow sockets.

3. Limited to 3/8 inch size: This set is limited to 3/8 inch sockets, which may not be sufficient for all applications.

The Yamashita Research Institute Ko-ken RS3300X/8 3/8 inch socket set with 6-point semi-deep PCS RS3300AX/9 lock rail is a high-quality and versatile tool set that is ideal for mechanics and DIY enthusiasts who need a durable and reliable socket set for general automotive or industrial applications. While it may be heavier than some competitors and not ideal for very tight spaces, its affordability and wide range of sizes make it a worthwhile investment for many users.

If you are in need of a durable and versatile socket set for general automotive or industrial applications, the Yamashita Research Institute Ko-ken RS3300X/8 3/8 inch socket set with 6-point semi-deep PCS RS3300AX/9 lock rail is an excellent choice. Its high-quality materials, wide range of sizes, and locking rail provide superior durability and security, making it a valuable addition to any toolbox. However, if you require a lighter weight or more compact socket set, you may want to consider other options on the market.

Details:

The locking rail is included in the sale. The set is in minty shape and shows barely any signs of actual usage.

specifications sossocket:

• brand: Yamashita Industrial Research Institute
• mpn: Rs3300x/8
• part type: Socket Lock
• socket size: 3/8 In
• upc: 991644216604

offer sossocket:

• options: ship-to-home
• availability: in stock
• prices: $78.38–$91.40
• item condition: New
• started: april 22, 2026
• sold #: 9
• best offers: true
• in stock #: 3

payments sossocket:

• wallet: apple-pay
• other
• credit card: visa

shipping sossocket:

• carrier: usps
• type: fixed
• class: standard
• service: usps ground advantage
• transit: 5-10 days

general sossocket:

• category: Business & Industrial > Hand Tools > Sockets Sets

seller sossocket:

• # reviews: 2624
• rating: 100.0%
• city: rochester, new york

returns sossocket:

• policy: no returns