Best Hex Drill Bits in 2026

115 PIECES INCLUDED: 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60.

HSS WITH 5% COBALT: Durable, Higher Heat & Abrasion Resistance.

PRECISE 135° SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.

Drill, Tap and Ratchet Tap Wrench Set Includes: 9 drill bits include wire gauge sizes #36, #29, #25, #21, #7, letter sizes F, U and inch sizes 5/16", 27/64". 9 hand taps include 6-32 UNC, 8-32 UNC, 10-24 UNC, 10-32 UNF, 1/4"-20 UNC, 5/16"-18 UNC, 3/8"-16 UNC, 7/16"-14 UNC, and 1/2"-13 UNC. 1 ratchet tap wrench fits 0-1/4" tap. The set has a strong and professional box with indexed holder and standing up tiers for easy storage and pickup.

Wide Applications: The tap and tap wrench are designed to make shallow cuts in narrow spaces. The drill and tap combo are tailored for industrial production, maintenance or portable drilling jobs in metal, aluminum, and plastics. And they fit majority drill driver brands on the market. Taps in this set can be driven by both hand and machine.

Drill Bits, SAE Taps and Gear Tap Wrench Cost-Efficient Combination: provides a secure method of drilling the proper hole size before cutting right-hand internal threads. The T-handle silver wrench allows three settings-forward, reverse and lock positions which can be set with your hand efficiently. Purchasing all three tools in one combo offers convenience and cost efficiency. It is much cheaper than buying them separately.

DRILL BITS SIZE: Jefe Hex 115 pcs set includes 29 pcs fractional sizes from 1/16" to 1/2" by 64ths increments; 26 pcs letter sizes from A To Z; 60 pcs wire sizes from #1 to #60. Almost cover all sizes you would use.

COBALT JOBBER DRILL BITS:115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. M35 cobalt HSS twist drill bits is more suitable for hardened working material. Particularly adapt to drilling stainless steel, cast iron, high temperature alloy, titanium alloy and even hard plastics, and woods. Can also be used for soft materials.

TWIST DRILL BITS: Premium HSS with 5% Cobalt and 135° split point drill tip design guarantee 115 pcs drill bit keeping sharpness while drilling hard materials and prevent tips walking on the working surface. Proper twist and flute design clears chips and particles fast.

🔨[Various Sizes] 115 sets of drill bits include 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60.

🔨[M35 Cobalt Drill Bit] The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc.

🔨[Quick and Efficient] The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal.

115 Pieces Set Includes: 29pcs Fractional Size: 1/16 to 1/2 inch bits in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60; Set includes the drill bit holder with size index for easy storage and organizing

Perfect 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

135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster

✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times.

✅【115PCS SAE DIRLL BITS SET】The set includes 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60. Comes in metal indexed storage case for easy storage.

✅【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.

Jobber length bits designed for drilling stainless and hard steel, plastic and wood, Premium Swift Bore (Registered Trademark)

Hardened and tempered M2 high-speed steel bits fall between standard fractional drill sizes

Precision ground, bright finish with polished flutes that increase chip ejection

Set of 26 jobber length drill bits includes one each of letter sizes A through Z

High-speed steel (HSS) provides hardness for wear resistance

Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material

Jobber length drill bit has a midrange drilling depth for general-purpose applications

High-speed steel (HSS) provides hardness for wear resistance

Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials

Manufactured to NAS 907 Type C geometry aerospace specifications

Manufactured from premium high-speed steel

135 degree P3 split point is self-centering for reduced thrust and easier penetration

The drill bits are ideal for effective cutting metal, wood, plastic, composite, etc. Imperial sizes, letter sizes, wire gauge or number sizes, and metric sizes are available as request

Quality high speed steel ensures the bits super hard, sharp and cutting effectively with impressive cutting performance in metal, plastic, and wood etc with long tool life

All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI)

High Quality Material - High Speed Steel M35 (Cobalt 5%) provide extended tool life compared to ordinary drill bits when drilling hard materials.

Characteristics - 135° split point with round straight shank, self-centering prevent walking, make drilling precise and faster. Fully Ground twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.

Widely Used - M35 Cobalt High Speed Steel is more suitable for tough, high tensile strength material. Particularly successful in cutting harden metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and it also can be used for softer materials.