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3/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits, Pack of 12 — Open-Box, 17% Off
Brand: Drill Hulk
Condition: Used - Mint
$1952
$2345
-17% Save $393
Updated: 5 days ago
Description
JOBBER LENGTH: 3/16-inch cutting diameter, 2-5/16-inch flute length, 3-1/2-inch overall length, 135 degree split point, 3-flat shank
MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
APPLICATION: best used for drilling in hard metal, including stainless steel
INCLUDE: 12 pieces of 3/16-inch cobalt drill bits with case
DrillHulk cobalt M35 drill bits are made from high-speed steel and 5% cobalt.
The addition of cobalt improves strong durable performance in harder materials especially stainless steel.
Made in China
You Will Get:
12 pieces of 3/16-Inch. x 3-1/2-Inch. cobalt drill bits with case
Notice:
For high-speed drilling through metal, lubricate the bit with lightweight oil.
Warning:
Drill bits can shatter during use.
Always wear safety goggles and safety items when drilling.
Sold by
Amazon Warehouse
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- 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-b07fxrsphw
- Model:
- DHCO29
- Country:
- US
- ASIN:
- B07FXRSPHW
- UPC:
- 752785985217
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 Drill Hulk 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.

















