Alpha SI21PB - TUFFBOX Gold Series Drill Bit Set 1/16 - 3/8" - Imperial - 21 Bits
The Alpha SI21PB TUFFBOX Gold Series Drill Bit Set includes 21 high-quality drill bits ranging from 1/16" to 3/8" in 1/64" increments, engineered for durability and precision. This set is housed in a robust plastic case with rugged rubber grips and is built to withstand the demands of any job site. The secure locking catch ensures the bits remain in place, while the internal feeds and speeds chart helps you optimize performance for each task.
Each drill bit features a 135° split point, reducing wandering and allowing for faster, more accurate cutting. The titanium nitride coating enhances performance by reducing heat and increasing lubricity, significantly extending the life of the drill bits. Perfect for drilling into steel, stainless steel, wood, and plastic, the Alpha TUFFBOX set is an essential tool for any tradesperson.
- Tough Plastic Case: Protects drill bits with rugged rubber grips for enhanced durability.
- 135° Split Point: Enables faster cutting and minimizes wandering during drilling.
- Titanium Nitride Coating: Reduces heat, increases lubricity, and extends bit life.
- Strong Locking Catch: Keeps the drill bits securely stored in the case.
Q: What sizes are included in the drill bit set?
A: The set includes 21 drill bits ranging from 1/16" to 3/8" in 1/64" increments.
Q: What materials can these drill bits be used on?
A: These drill bits are suitable for use on steel, stainless steel, wood, and plastic.
Q: Does the set come with a case?
A: Yes, the set comes in a tough plastic case with rugged rubber grips and a strong locking catch for secure storage.
Delivery varies by location, please see the expected timeframe to receive your product below:
Metro: 1-3 business days
Regional: 1-6 business days
If you are unavailable at the time of delivery re-delivery fees may apply.
- 14 days return / Change of mind
- Client to pay the postage to return goods
- Goods to be in original undamaged packaging
- Warranty on products is determined by the manufacturer.
- Contact us to discuss your claim
- After you have received authorisation to return,
- Post back the product,
- We will return the product to the manufacture and either refund or replace the item as per your instructions.
100-Day Fuss-Free Returns
We want you to love what you buy-but if you change your mind, that's okay too. That's why Sparky Direct offers a .
- Items must be unused, with all parts, accessories, and original packaging.
- We can't accept returns if the product is damaged, incomplete, or not in resalable condition.
- Proof of purchase is required.
- Return shipping is the responsibility of the customer.
If your item isn't in its original condition, please contact us before returning it-we might save you time and money.
All products come with a manufacturer's or supplier's warranty
- Warranty starts from the Invoice Date
- Some suppliers offer in-home warranties and handle claims directly, so you won't need to uninstall or return the product. with us to check if your product qualifies.
- Sparky Direct isn't responsible for losses caused by product failure.
- Warranties are void if products aren't installed by a licensed electrician.
Damaged or Faulty Goods
If your order arrives damaged or is faulty, let us know within 24 hours.
- Sparky Direct will pay for return shipping via an emailed return label.
- If the fault is confirmed, we will send you a replacement item or provide a refund.
Contact us via our to arrange the return.
Exclusions
We can't accept returns for:
- Items that have been installed, modified, or used
- Clearance, End of life, Discontinued, or special order items (unless faulty)
- All PPE Items
- Goods returned without original packaging or proof of purchase
How to Request a Return
- our customer service team with your order number.
- Confirm it's eligible under our return or warranty policy.
- Pack the item securely and return it using a trackable service.
- Once we receive and inspect it, we'll process your refund or replacement.
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct










