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HARFINGTON 10pcs Hex Head Wrench Drill Bit 4mm(H4) Metric 1/4" Hex Shank 2"(50mm) Length S3 Steel Magnetic Industrial Grade Hexagon Electric Screwdriver Drill Bits
Brand: HARFINGTON
Condition: Used
$706
$845
-17% Save $139
Updated: 4 days ago
Description
Size - Hex wrench drill bit size: 4mm (H4), hex shank size: 1/4", total length: 50mm / 2", hardness: HRC58-62. Each hex screwdriver bit is clearly engraved with size number for easy identification.
Material - Magnetic tips screwdriver drill bit is made of heat-treated S3 steel, the surface is black phosphating and smooth, reducing friction resistance, excellent corrosion resistance and rust resistance, anti-bending, anti-fracture, not easy to deform, and durable.
Feature - Industrial screwdriver bit adopts a strong magnetism design and can absorb screws vertically or tilted. The head is a hexagonal flat head shape, which can make close contact with the screw, making disassembly and installation more stable and less likely to slip.
Application - Magnetic hex head bit has higher torque making it easier to remove and install screws in a small space. It is suitable for furniture assembly, mechanical equipment installation, automobile maintenance, home DIY projects, homemade furniture, woodworking, etc.
Note - 1/4 inch quickly release hex shank driver bits widely used in manual electric screwdrivers, drills, and electric drills. Check whether it is firmly installed on the power tool before use. Keep it away from high magnetic and high-temperature environments when storing it to avoid affecting the magnetic effect.
The screwdriver bits are made of specially heat-treated S3 steel with high strength and hardness up to HRC58-62(The recognized stable hardness is around HRC60), durable and anti-bending, and the surface is black phosphating for enhanced grip and corrosion resistance for industrial use.
The hex bits are designed with strong magnetism, which can stably absorb the screws vertically or tilted and easily fix the screws, especially in a small space, which can make it more convenient to complete the work.
The hex drill bit specifically designed for driving screws into wood, metal, and other materials effortlessly. Can accurately tighten screws without damaging screws and screwdriver bits.
1/4" hex shank driver bits can be used with electric screwdrivers, manual screwdrivers, electric drills, etc. for electricians, mechanical repair work, and furniture installation.
Make sure the screwdriver bit is firmly inserted into the power tool chuck before operation. Avoid using excessive force when tightening the screws to prevent the bit from being damaged or slipping out. Store the screwdriver bit in a dry place to prevent rust and maintain its performance.
The hex bits are designed with strong magnetism, which can stably absorb the screws vertically or tilted and easily fix the screws, especially in a small space, which can make it more convenient to complete the work.
The hex drill bit specifically designed for driving screws into wood, metal, and other materials effortlessly. Can accurately tighten screws without damaging screws and screwdriver bits.
1/4" hex shank driver bits can be used with electric screwdrivers, manual screwdrivers, electric drills, etc. for electricians, mechanical repair work, and furniture installation.
Make sure the screwdriver bit is firmly inserted into the power tool chuck before operation. Avoid using excessive force when tightening the screws to prevent the bit from being damaged or slipping out. Store the screwdriver bit in a dry place to prevent rust and maintain its performance.
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-b0f9nybnbd
- Model:
- 1
- Country:
- US
- ASIN:
- B0F9NYBNBD
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 $1 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.
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Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for HARFINGTON 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.