TATA Double Open End Spanner 1/4 x 5/16 mm – Matt Finish
The TATA Double Open End Spanner 1/4X5/16 mm – Matt Finish / Non Sparkling is a compact and durable hand tool designed for tightening and loosening small nuts and bolts with precision. Made from high-quality Chrome Vanadium Steel (Cr-V), this double open end spanner offers excellent grip, corrosion resistance, and long-lasting performance for mechanics, technicians, and DIY users. Ideal for automotive repairs, machinery maintenance, and household tasks, this spanner provides reliable performance even in tight working spaces.
Why Choose This TATA Double Open End Spanner?
When working with small fasteners, many users face issues such as slipping tools, poor grip, or weak metal that bends under pressure. This double open end spanner is designed to solve those problems with accurate jaw size and durable construction.
Key Benefits
- ✔ Strong Chrome Vanadium Steel (Cr-V) construction for long tool life
- ✔ Precision-machined jaws for firm nut grip
- ✔ Matt finish for better handling and reduced glare
- ✔ Slim profile to access tight spaces
- ✔ Trusted TATA brand quality
This tool helps mechanics and technicians complete fastening tasks efficiently without damaging nuts or bolts.
Product Features
Durable Alloy Steel Material
The spanner is manufactured using high-quality alloy steel, which provides strength, wear resistance, and reliability for regular workshop use.
Matt Finish for Better Grip
Unlike glossy chrome tools, the Matt finish improves handling, especially when hands are oily or greasy.
Dual Open End Design
The double open end spanner includes two different jaw sizes, allowing you to work with multiple fasteners using a single tool.
Compact and Lightweight
The slim body design makes it easy to carry in tool kits and ideal for working in narrow spaces.
Ideal Applications
This double open end spanner is commonly used for:
- Automotive repair and servicing
- Bicycle maintenance
- Machinery assembly and repairs
- Electrical and mechanical installations
- Household DIY repairs
Its compact size makes it especially useful for small bolts and nuts found in precision components.
Are chrome vanadium spanners worth the extra cost?
Yes. Chrome Vanadium steel tools are made with Chrome and Vanadium, which improves the tool’s toughness, durability, and strength compared to Carbon steel tools. These are rust and corrosion resistance, which brings longer life span.
Where to buy quality double open end spanners online in India
You can buy double open end spanners through online at Chairman Tools Mart, we supply genuine branded tools trusted by professionals.
When you order from our store, you get:
- Authentic branded products
- Competitive pricing
- Secure online purchase
- Reliable delivery across India
This ensures you receive a dependable tool that performs well in real working conditions.
How to properly use an Open End Spanner without Stripping Bolts?
Choose your Open End Spanner, according to the Bolt size, no gaps and no wobbles. Always ensure that the spanner fits securely and controls the force. Wrap the rubber band or glove over the handle for extra traction on smooth bolts.
Order Your TATA Double Open End Spanner Today
Upgrade your toolbox with a reliable double open ended spanner built for durability and precision.
- Perfect for mechanics and technicians
- Compact size for small nuts and bolts
- Long-lasting alloy steel construction
Buy now from Chairman Tools Mart and get a quality tool yo
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u can rely on for everyday repairs.
TATA Double Open End Spanner Set of 8 — One Set for Everyday Sizes from 6 mm to 22 mm
Stopping a job to hunt for the right spanner is one of the most common small delays in hand-tool work. The TATA Double Open End Spanner Set of 8 is put together to remove that delay. It brings eight double-ended spanners into a single set, covering the range from 6 x 7 mm at the small end up to 20 x 22 mm at the large end, in a Matt Finish.
Each spanner is a double open end spanner (often called a double open end wrench): a U-shaped open jaw at each end, with the two jaws sized differently. That means every spanner in the set handles two fastener sizes, and the set as a whole handles nuts and bolts needing anything from a 6 mm jaw to a 22 mm jaw, without reaching for a second tool.
Who It’s For
A compact, multi-size set suits anyone whose work moves between different fastener sizes:
- Professional mechanics who disassemble and refit parts across a mix of nuts and bolts
- Industrial maintenance workers who need one reachable set for routine servicing
- Plumbers and HVAC technicians working on fittings, fixtures and equipment
- DIY home users building a first proper toolbox for furniture assembly, appliance repair and general household fastening
If you only ever use one or two sizes, a single spanner may be enough. If your jobs vary, a set saves the repeated purchase and the repeated search.
Why Buy a Double Open End Spanner Set
A single double open end spanner covers one pair of sizes. A set of eight covers a broad span of the sizes hand-tool work draws on, so the right jaw is already in your hand when the fastener changes. The open-jaw design also lets you slide the spanner onto a nut or bolt from the side, which is useful where a ring spanner or socket cannot be dropped straight over the top. For anyone building out their DIY tools, a set is also a simpler starting point than buying sizes one at a time.
Key Features and What They Mean for You
- 8 spanners in one set — Eight pieces cover the full 6 x 7 mm to 20 x 22 mm range, so you are less likely to find the one size you need missing from your kit.
- Double-ended design — Two differently sized open jaws per spanner means each tool does double duty, which keeps the set practical to carry and sort.
- Size range (6 mm to 22 mm) — From small fasteners on compact assemblies to mid-sized nuts on larger equipment, one set spans the sizes many everyday jobs call for.
- U-shaped open jaws — The open side lets you place the spanner onto a fastener from the side, which helps when there is no clear line of access from above.
- Matt Finish — A non-reflective surface for those who prefer it to a polished look. The spanners are also offered in other finishes if you prefer a different appearance.
How to Use Your Spanner
- Test your nut or bolt against the spanner ends to find which jaw size fits it.
- Slide the open jaw fully onto the flat sides of the fastener. Make sure it sits deep inside the jaw, not just on the tips, to prevent rounding off the bolt.
- Pull or push the handle in the direction of rotation. When loosening a tight bolt, position the angled head so the open side faces the direction you are pulling.
- If the space is too tight for a full swing, take the spanner off, flip it over, re-attach it to the nut and turn again to get more swing room.
With a full set on hand, step one is quicker: you can try the neighbouring sizes straight away instead of guessing.
What Makes This Set Different
Many shoppers start with a single spanner and end up buying a second, a third, and a fourth as jobs demand different sizes. This set takes the opposite approach: one purchase that spans 6 x 7 mm through 20 x 22 mm, each tool double-ended, finished in matt. It is a straightforward, practical set for people who want the commonly used smaller and mid-range sizes covered up front.
What You Receive
One set of 8 double open end spanners, covering sizes from 6 x 7 mm to 20 x 22 mm, in Matt Finish.
Before You Buy
Check that the sizes you work with most fall within the 6 mm to 22 mm range this set covers. This is a hand spanner set: it is used by turning the handle manually, as described in the steps above. If you need sizes beyond 22 mm, additional spanners will be required.
G. FAQ Section
Q1: What size range does this set cover?
The set covers double open end spanners from 6 x 7 mm up to 20 x 22 mm.
Q2: How many spanners are in the set?
There are 8 double-ended open jaw spanners in the set.
Q3: What finish does this set have?
This listing is for the Matt Finish version.
Q4: Who is this set suitable for?
It is aimed at professional mechanics, industrial maintenance workers, plumbers, HVAC technicians and DIY home users who work with nuts and bolts across a range of sizes.
Q5: How do I avoid rounding off a bolt with these spanners?
Slide the open jaw fully onto the flat sides of the fastener so it sits deep inside the jaw, not just on the tips. This is the main way to prevent rounding off the bolt.
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