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Sinyeenglon Cobalt Drill Bits Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel Twist Jobber Drill Bits 1/16"-3/8", with Plastic Index Storage Case — Open-Box, 11% Off
Brand: Sinyeenglon
Condition: Used - Mint
$5199
$5841
-11% Save $642
Updated: 11 days ago
Description
Cobalt M35 Material: High cost, but hardness is up to 67, cut faster and has a long life, up to 12 times compared with the average HSS titanium coated bit, save time and improve efficiency
Hardened Full Grinding Process: Increases wear resistance, sharp and durable, used for stainless steel, cast iron, zinc alloy, titanium, hard sheet, mild steel tube, flat bar, aluminum, hardened metal, plastic and wood
Packaging: Hard and thick plastic box, drills bagged for compartmentalized storage, reasonable design, well secured package
Convenient Access: Various sizes are placed in different compartments of the plastic box, and the corresponding sizes of different drills are printed on the bottom of the lid, making it very convenient to access
Various Sizes: 16Pcs 1/16in, 16Pcs 5/64in, 15Pcs 3/32in, 10Pcs 7/64in, 10Pcs 1/8in, 8Pcs 9/64in, 8Pcs 5/32in, 3Pcs 11/64in, 3Pcs 3/16in, 2Pcs 13/64in, 2Pcs 7/32in, 2Pcs 1/4 in, 2Pcs 5/16in, and 2Pcs 3/8in
Widely used: Whether you're a home DIYer / Beginner or workshoper of professional drilling, it's a great tool
Use Notices: Drill bit should be vertical to the workpiece when used; controling low speed from 200 to 1000 rpm; using cutting fluid will stay cool to make the bit last longer
Premium Material: The material of the drill is M35 high speed steel with 5% cobalt. Compared with the ordinary high-speed steel drill, the cobalt-containing drill has a longer service life and can stay sharp for a long time, which is more suitable for drilling hard materials.
PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials. Please note that they are not suitable for glass or ceramic materials. Pay attention to speed, pressure, and heat control when drilling.
Twist Design and Performance: Precise 135° Split Point, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.
well-made Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped.
A Must For Professionals: Whether a professional wood worker, handyman or construction worker, or you simply enjoy the occasional house project as a relaxing hobby, the metal drill bits set are an excellent assortment for ensuring perfect holes.
PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials. Please note that they are not suitable for glass or ceramic materials. Pay attention to speed, pressure, and heat control when drilling.
Twist Design and Performance: Precise 135° Split Point, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.
well-made Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped.
A Must For Professionals: Whether a professional wood worker, handyman or construction worker, or you simply enjoy the occasional house project as a relaxing hobby, the metal drill bits set are an excellent assortment for ensuring perfect holes.
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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-b0db8g4zks
- Model:
- SKU240321-99pcs
- Country:
- US
- ASIN:
- B0DB8G4ZKS
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 $6 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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