Best Spiral Reduced Shank Drill Bits in 2026

HSS Titanium Coating - Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.

Flutes Form - 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.

Quick Change - 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck. We also offer a quick-change adapter to better quick change.

DRILLING AIN’T EASY: Drilling quickly and accurately into different materials requires choosing the appropriate drill bit type. Get it done right with The Hi-Spec Multi Metric Drill Bit Set. The perfect complement for those everyday drilling jobs in wood, plastics, metal, drywall, masonry, concrete and brick

78 HSS BITS: High-Speed Steel (HSS4241) round-shank twist drill bits, stronger than normal high-carbon steel, for most metals, wood, drywall and plastics. Titanium coated for wear resistance and reduced friction. Sizes 1/16, 5/64, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8”

26 BRAD POINT WOOD BITS: Their sharpened edges easily cut and churn out wood, drywall and plastics. Also known as spur point bits, piercing tips allows for non-slipping and accurate starts. Sizes 5/32, 3/16, 15/64, 5/16, 3/8"

WIDE APPLICATIONS - compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, allowing for quick changing between multiple drill bits and screwdriver bits with just one power tool. suitable for soft metal, woodworking, home improvement, DIY lovers etc;

UPGRADED STRUCTURE - press in pin connection makes the bit and hex shank an integrated structure to prevent break off during drilling, greatly reduced the risk of drill bit snapped off from the hex drive;

ELIMINATES WOBBLING & CHATTER - the final straighten process is added before shipping from the factory. which keep the bit in a straight line during rotation and reduce chatter;

Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials

Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish

135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling

Features: Cutting Edge Diameter : 12.5mm / 0.49"; Shank Diameter : 12.5mm / 0.49"; Cutting Edge Length: 102mm / 4.02"; Total Length : 150mm / 5.91"; Cutting Direction: Right Hand

High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.

High Quality Material - High Speed Steel M2 Black and Gold, resists corrosion, ensures outstanding durability, sharpness and capability, reduces the friction and runs cooler.

Black and Gold Oxide Finish - Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular black surface.

135-degree & Split Point - Increases cutting speed with self-centering and prevents walking, clears chips and particles faster. The split point tip can increase the wear resistance. 135-degree penetrates hard material without a pilot hole and produces small chips to reduce clogging.

COBALT GOLD OXIDE JOBBER DRILL BITS: 29 PCS high speed steel with 5% cobalt drill bit set resists high heat abrasion while drilling. Cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures. A gold oxide finish acts as a lubricant and provides wear resistance.

ROUND AND PORTABLE CASE: Say goodbye to constant losing or misplacing your drill bits! Jefe Hex cobalt drill bit set for metal comes with an ergonomic and portable round carrying case with built-in clip. The case can be easily attached to your tool belt keeping your bits within immediate reach!

135 DEGREES SPLIT POINT TWIST DRILL BITS: A self-centering 135° split point drill tip penetrates hard materials without a pilot hole and keeps sharp without walking on the surface compared to a 118-degree point. Proper twist and flute design clears chips and particles fast. Drill bits larger than 3/8" have 3/8” reduced shank for majority drills in the market. Drill bits smaller than 3/8" have three-flat shanks that reduce spinning in chuck.

Features: Cutting Edge Diameter : 19.5mm / 0.77"; Shank Diameter : 10mm / 0.39"; 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.

Features: Cutting Edge Diameter : 12mm / 0.47"; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 63mm / 2.48"; 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.

33 Piece Set with 1/2" Reduced Shank Drill Bits

Effective in drilling tough, high tensile strength materials like stainless steel, Inconel, and titanium

Reduced Shank Drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes

【Specification】13 cobalt hexagonal shank bits, including 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5 mm, with 1/4 hexagonal shank.

【Advantages】The hexagonal handle specially made for quick replacement of drill bits is an upgraded version. Compared with the ordinary hexagonal handle, it shows excellent performance, prevents the drill bit from peeling off the hexagonal handle, and effectively keeps the hexagonal handle locked during impact drilling. Cobalt drill bit is more durable than titanium drill bit.

【Complete grinding process and 135 ° points】 The fully ground spiral groove blowdown waste quickly reduces friction and heat, thus providing faster, cooler and more efficient drilling performance; 135 ° split point with straight handle can prevent slipping and make drilling stable and accurate. No center punch is required.

Features: Cutting Edge Diameter : 2mm / 0.08"; Shank Diameter : 2mm / 0.08"; Cutting Edge Length: 20mm / 0.79"; Total Length : 48.5mm / 1.91"; Cutting Direction: Right Hand

High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.

【TITANIUM | HIGH-SPEED STEEL】: Twist Drill Bits, Jobber Length,Classic HSS Construction With Titanium Coating For Proven Capability And Durability.

【STRENGTH & DURABILITY】: Made With HSS 4341, Rock wall Hardness Level HRC 60-62.

【5PCS】:Diameter 1/2 inch, Total Length 6 inch, Working Length 4-1/2 inch.

Parameter: Cutting and Shank Dia : 2mm / 0.08", Cutting Edge Length: 25mm / 0.98", Twist Drill Total Length : 49mm / 1.93".

Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc.

How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool.

Parameter: Cutting and Shank Dia : 4mm / 0.16", Cutting Edge Length: 43mm / 1.69", Twist Drill Total Length : 75mm / 2.95".

Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc.

How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool.

Features: Cutting Edge Diameter : 5mm / 0.2"; Shank Diameter : 5mm / 0.2"; Cutting Edge Length: 53mm / 2.09"; Total Length : 85mm / 3.35"

High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance

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

Parameter: Cutting and Shank Dia : 5.5mm / 0.22", Cutting Edge Length: 55mm / 2.17", Twist Drill Total Length : 93mm / 3.66".

Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc.

How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool.

【Size 】Cutting Edge Diameter : 12mm; Shank Diameter : 10mm; Cutting Edge Length: 75mm/2.95"; Total Length : 150mm/5.9". Package：1 piece.

【HSS Material】Made of high speed steel 4341 offer the reduced shank tool hard and tough, cutting effectively with impressive cutting performance.

【Gold and Black Oxide Finish】Gold titanium and black nitride dual coatings can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular surface.