Add to favorites
Hymnorq 10-Piece 1/4 Inches Cobalt Drill Bit Set – M35 Grade (5% Cobalt) Steel, Fully Ground, Dual Twist Flute, 135 Degree Split Point, Jobber Length, Bronze Finish, with Tough PP Storage Case
Brand: HYMNORQ
Condition: Used
$1537
$1899
-20% Save $362
Updated: 5 hours 41 mins ago
Description
Industrial-Grade M35 Cobalt Steel: Made with 5% cobalt-enriched M35 steel, these 1/4" drill bits deliver superior strength, heat resistance, and wear durability—ideal for drilling stainless steel, cast iron, and other tough metals.
Dual Twist Flute & Fully Ground Design: Features a fully ground, dual twist flute for smoother drilling, faster chip removal, and greater precision—reducing friction and extending tool life during heavy-duty use.
135° Split Point for Precision Starts: The 135° split point tip ensures accurate starts with minimal walking, making it easier to drill clean, precise holes on hard or curved surfaces..
Straight Shank with Chamfered End: Designed with a straight shank for a secure fit in standard drill chucks and a chamfered end for smooth bit changes and better grip stability during operation.
Durable Transparent PP Case: Comes in a tough, transparent plastic case that keeps all 10 drill bits organized, protected, and easily visible—perfect for professionals and DIYers who value efficiency and tool care.
Get reliable performance and precision with this 5-piece 1/4" cobalt drill bit set, built for demanding metal drilling tasks. Each bit is crafted from premium M35 grade cobalt steel containing 5% cobalt, offering exceptional durability and heat resistance when working on hardened materials like stainless steel, cast iron, and titanium.
These jobber-length bits are fully ground for accuracy and feature a dual twist flute design that promotes efficient chip removal and smooth drilling. The 135° split point tip ensures fast, accurate starts without walking, reducing the need for pilot holes and improving drilling efficiency.
Designed with a straight shank and chamfered end, each bit provides a secure hold and easy insertion into standard chucks. Finished with a bronze hue for added corrosion resistance, this set is both rugged and professional in appearance.
Neatly packed in a transparent, heavy-duty PP plastic case, this set is ideal for keeping your bits organized, visible, and protected—whether you're on the job site or working in your home workshop.
These jobber-length bits are fully ground for accuracy and feature a dual twist flute design that promotes efficient chip removal and smooth drilling. The 135° split point tip ensures fast, accurate starts without walking, reducing the need for pilot holes and improving drilling efficiency.
Designed with a straight shank and chamfered end, each bit provides a secure hold and easy insertion into standard chucks. Finished with a bronze hue for added corrosion resistance, this set is both rugged and professional in appearance.
Neatly packed in a transparent, heavy-duty PP plastic case, this set is ideal for keeping your bits organized, visible, and protected—whether you're on the job site or working in your home workshop.
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b07gsw324s
- Model:
- 286
- Country:
- US
- ASIN:
- B07GSW324S
- UPC:
- 681413691445
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $4 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for HYMNORQ products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.