The Best 25Mm Drill Bit of 2022 – Reviews & Buying Guide
After hours researching and comparing all models on the market, we find out the Best 25Mm Drill Bit of 2022. Check our ranking below.
2,279 Reviews Scanned
Rank No. #1
uxcell Reduced Shank Twist Drill Bits 25mm Black Nitride & Gold Titanium Coated High Speed Steel 4341 with 12.7mm (1/2") Shank for Stainless Steel Alloy Metal Plastic Wood
- Features: Cutting Edge Diameter : 25mm / 1.0"; Shank Diameter : 12.7mm / 1/2"; Cutting Edge Length: 55mm / 2.17"; Total Length : 150mm / 6.0"; Cutting Direction: Right Hand
- High Speed Steel Tool: The twist drill bits are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. High cutting edge strength, fast cutting speed.
- Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Sharp and spiral cutting edge provides neat and smooth cuts.
- Black & Gold Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
- Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Tri-flat on the shank of drills are constructed for a tighter clamp, maximizing security for precise holes.
Rank No. #2
2-Pack 1" TCT Hole Saws for Hard Metal, Heavy Duty 25mm Tungsten Carbide Tipped Hole Cutters Set with Spring-Loaded Pilot Drill Bits for Stainless Steel, Metal, Iron, and Plastic
- Built for Tough Jobs: Our Tungsten Carbide Tipped (TCT) Hole Saws are specifically designed to smoothly cut through hard materials including stainless steel, aluminum, high alloy steel, copper, plastic, FRP, and PVC, ensuring a clean, precise cut
- Heavy-Duty 2-Pack Set: This set includes two 1" (25mm) TCT Hole Saws with 1Inch Cutting Length, complete with pilot drill bits featuring spring-loaded mechanisms for efficient debris removal. A Hex wrench for securely tightening pilot bits is also included.
- Wide Compatibility: Designed with a 3/8” 3-Flatted Shank, these hole cutters are compatible with a wide range of drills, CNC drilling machines, and other handheld power tools. The design ensures a strong, steady chuck grip, minimizing slipping during heavy-duty cutting tasks.
- Rust-Resistant Storage: Each hole cutter kit is pre-oiled and packaged in a durable plastic case for rust-resistant storage and easy access. For any inquiries or issues with the product, our customer service team is ready to assist.
- User Tips for Optimal Performance: For best results, start drilling with lower torque and speed when using only the pilot bit. Increase speed as the hole saw makes contact with the material. Use adequate cutting oil to lubricate the bit to prevent overheating and damage.
Rank No. #3
Forstner Drill Bits 25mm (1 inch) Tungsten Carbide Upgraded Version 3-Cutter Higher Hardness Wood Hole Saw Auger Opener Woodworking Drilling Tool Wood Cutter
- [SPECIAL DESIGN] 3-Cutter forstner drill bits have faster cutting speed and longer service life compared with 2-cutter ones. Using these sharp drill bits, you can drill accurate, smooth, neat holes without burrs, even in end-grain and through knots. Arc curve design head contributes to removing sawdust faster, making your work more efficient.
- The cutting edge is made of 3 pieces of K35 monolithic tungsten carbide, hardness ≥91HRA, bending strength >2200N/cm2, resharpenable for a longer service life. It has the advantages of high hardness, wear resistance, good toughness, heat resistance and corrosion resistance. The shank is made of steel 45#.
- [SPECIFICATIONS] Drilling dia.: 25mm; shank dia.: 7mm; drilling depth: 60mm; total length: 90mm.
- [APPLICATIONS] Suitable for cutting holes onto solid wood, softwood, hardwood, plywood, MDF, chipboard, and also plastic, rubber, fiberglass. Can be used in drill press, bench drill, vertical drilling machine, CNC carving machine, etc..
- [NOTE] 1. Sharp parts contained, please keep away from children and pets. 2. Can NOT be used for metal processing, or the drill bits will get damaged quickly. 3. Material must be fixed during cutting, and the drill bit should be perpendicular to the material. 4. Set slow drilling speed till the drill bit is completely located, then gradually accelerate speed. 5. Water should be injected when processing hardwood, in order to improve drilling accuracy and quality.
Rank No. #4
HARFINGTON 25mm Drill Bit 1/2" Reduced Shank Round 4241 High Speed Steel Nitriding Black 118° Standard Point for Plastic Wood Copper Aluminum Iron Medium Soft Metal
- SIZE: Cutting edge diameter: 25mm, shank diameter: 1/2", flute length: 76mm/2.99 inch, total length: 150mm/5.91 inch, package content: 1Pcs x Reduced Shank Drill Bit
- Material - The 4241 high-speed steel has improved toughness and provides hardness and wear resistance. It achieves a favorable balance between cost-effectiveness and practicality, it suitable for small equipment and light-duty machining. and the nitriding black finish enhances the drill bit's wear and corrosion resistance
- Feature - The 118° Standard Point tip angle is the traditional standard angle, enabling quick penetration into materials and broad applicability, making them the preferred choice for general metal and wood drilling, as well as common tasks like DIY, woodworking, and home repairs.
- Application - Suitable for soft metal and woodworking projects, widely used in daily operations such as home maintenance, suitable for processing medium hardness materials, such as thin stainless steel, copper, aluminum, iron, plastic, and wood
- Note - Ensure a 90-degree vertical angle is maintained between the drill and the material. When using a large drill bit, it’s best to start by drilling smaller holes. This makes it easier to create larger holes accurately
Rank No. #5
uxcell Reduced Shank Drill Bit 25mm Black Nitride Coated with 1/2 Inch Straight Shank, High Speed Steel HSS 9341 Twist Drill Bit for Stainless Steel Alloy Metal Plastic
- High Speed Steel tool - 25mm cutting diameter. Good for most general purpose applications, featuring a combination of hardness and toughness for wear resistance
- 1/2 Inch Reduced Shank - Expanding the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes
- Black Finish - Black nitride coating increases hardness and wear resistance, allowing it to maintain its sharpness and cutting efficiency longer, and also provides corrosion resistance. Small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Wide Application - Design for drilling in low and medium tensile strength materials, such aluminum, iron, copper, brass and metal
- Please Note: To make clean and precise holes, water is required for lubrication and cooling when drilling metals. Increased use of water lubrication will extend drill bit life
Rank No. #6
uxcell 25mm HSS Drill Bit Hole Saw Stainless High Speed Steel Metal Alloy
- 25mm Hole drill bit is made of HSS high speed steel
- High precision, smooth cutting, especially impact resistance, wear resistance.
- Hole drill bit is through a special heat treatment, sharp edge, high strength.
- Long life durable and practical. Openings for stainless steel, iron, aluminum, and various types of pipes.
- Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks Etc.
Rank No. #7
uxcell Forstner Drill Bits 25mm, Tungsten Carbide Wood Hole Saw Auger Opener, Woodworking Hinge Hole Drilling Boring Bit Cutter (Blue, Gray)
- Forstner Drill Bit: Drilling diameter: 25mm / 0.98"; shank size: 8mm / 0.31"; drilling depth: 49mm / 1.93"; total length: 79mm / 3.11". Thickened carbide cutter and solid hardened steel body, round shank forstner bits for woodworking.
- Applications: Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.. Forstner drill bit is for ordinary purpose
- Features: Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation
- How To Use: Suitable for bench drill, vertical drilling machine, CNC carving machine. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.
- Tips: Maximum speed: 2000rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal. To avoid causing damage, be sure no nails or other metal objects in wood before drilling. The cutting edge and tip of the opener should be sharpened in time.
Rank No. #8
PHITUODA 2pcs 1-Inch / 25mm Diamond Drill Bits, Small Diamond Hole Saw Hollow Core Drill Bits for Glass Ceramic Porcelain Tiles Marble Granite Quartz
- Package Included: 2 x Diamond Drill Bits. Cutting Hole Diameter is 1"/ 25mm, Shank Diameter is 5/16" / 8.05mm, Total Length is 2.19" / 55.6mm.
- Quality Selection: These diamond drill bits are made of high-speed steel which is high quality and durable. With a nickel-plated coated body to resist corrosion, which has a long service life. Large chip holes to ensure that when the punching smooth, punching accurate.
- Smoothly Cutting: A thicken diamond dust coating on the tops offers superior cutting strength for creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure, and increased use of water lubrication will extend drill bit life considerably.
- Multiple Applications: The diamond drill bit can remove a complete 25mm diameter hole on glass, tiles, granite, ceramic. In addition to cutting holes for glass, the Hole Saw comes in handy for tile bottles, blocks jars, fiberglass, porcelain tile, ceramic, slate, marble, light stone. Not for use on Concrete or for depths beyond about 1/2".
- Hassle-Free Guarantee: PHITUODA's products can only be packed and shipped after strict quality inspection. If you are not satisfied within 90-days, send 1 simple email and receive a 100% money-back refund. We're so confident you will love our products like our other 5-star reviewers! You will be amazed at the customer service you receive after the sale!
Rank No. #9
HPHOPE 25mm Forstner Bit, Forstner Drill Bit 25mm for Wood, Drill Bits Round Shank
- 【Areas of Application】25mm Forstner bit is ideal for drilling in soft or hard wood, veneered wood and non-laminated chipboard
- 【Clean, Smooth Holes】The tooth-shaped design of this high-speed steel forstner bit ensures less friction and heat.It is superiority in removal chip better.Cut the clean, smooth holes
- 【Easy to Start】The design of the center point of the forstner drills allows precise positioning without slipping,which makes drilling more easy
- 【Compatibility】8mm cylindrical shank, 90mm overall length, fits all drill drivers and drill presses with 8mm chuck and adjustable
- 【Best Service】Lifetime after-sales service, any questions will be answered quickly by human customer service
Rank No. #10
Roman Carbide DC1896 Carbide Forstner Bit, 25mm
- Hex shanks will not slip and fit 3/8-inch drill chucks
- Provides chatter-free and faster cutting results
- Provides smoother cutting
- Hard to find metric sizing
Last update on 2025-06-27 / Affiliate links / Images from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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