DIN345 HSS-Co Taper Shank Drill Bits M35

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DIN345 HSS-Co Taper Shank Drill Bits M35  Technical Specifications
Procuct Name DIN345 HSS Cobalt M35 Morse Taper Shank Drill Bit for Stainless Steel and Matel Drilling
Material Cobalt 5% M35 (HSS 4241 4341 6542-M2 is Available)
Process Milled (Roll Forged is Available)
Standard DIN345 (ANSI, DIN341, DIN1870 are Also Available)
MT No. No.1 to No.6
Size 7.5mm-100mm and 3/8″ to 4″
Flute Type Type N, Right Hand Cutting
Point Angle 118 Degree (135 Degree Split Point, Thinning Point are Available)
Surface Finish Amber Color (Black Oxide, Gray & Bright, Black & White, Bright, Titanium Coating are Also available)
Package One Piece in Paper Box,Plastic Box,Wood Box.
Features 1. Precise dimension,long life and high efficiency.
2. High-speed steel (HSS) provides hardness for wear resistance.
3. HSS Cobalt: Extremely hard and dissipate heat quickly. They are most commonly used for boring in stainless steel and other metals.
4. Self-centering 118-degree notched point penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge.
5. Morse taper shank allows the tool to be inserted directly into the machine’s spindle to facilitate high-torque applications such as large cut diameters.
6. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.
7. Designed to perform in a broad range of materials in the iron and steel families.

Taper-shank drill bits press fit into a Morse-taper shank usually found on drill presses and lathes. They’re used in heavy-duty and horizontal drilling. The taper provides a strong, slip-resistant grip in heavy, high-torque applications.
High-Speed Steel Taper-Shank Drill Bits
These high-speed steel taper-shank drill bits for metal and plastic absorb more shock and vibration than cobalt and carbide drill bits, making them suitable for use in manual drilling machines and handheld power tools. Regular-spiral flutes are best suited for nonchipping hard materials such as nonferrous metals, cast iron, and structural steel.
Shank Type: Morse Taper
Flute Type: Regular Spiral
Cutting Direction: Right Hand
Black Oxide Coated
118 ° Conventional Point

Every HSS twist drill has a cutting end and a holding end. The holding end — the shank — determines how the drill connects to the machine, how torque is transmitted, and ultimately what diameter range the drill can cover. In industrial metalworking, two shank systems dominate: the straight (cylindrical) shank and the taper (Morse Taper) shank. Choosing the wrong one does not just mean poor performance — it means the drill physically will not fit your machine.

This guide provides a complete technical comparison for procurement engineers, workshop managers, and distributors who need to stock the right drills for their customers’ machines. DIN345 HSS 4341 Taper Shank Drill Bits Roll Forged For Metal

Two Shank Systems for Two Worlds of Drilling
The straight shank and taper shank are not competing designs — they are complementary systems engineered for different machine types, diameter ranges, and production environments.

Straight shank drills (DIN 338, DIN 340, DIN 1897) are held by a 3-jaw chuck or collet. The chuck jaws clamp around the cylindrical shank with radial pressure. This system is universal: any straight shank drill fits any 3-jaw chuck within its capacity range (typically 1–13 mm or 1–16 mm). Straight shank drills are the standard for hand drills, drill presses, and CNC machining centers. 1/4″ Hex Shank Step Drilling Bit 3/16″ – 7/8″ (12 Step Size) for Metal, Stainless Steel, Aluminum

Taper shank drills (DIN 345, DIN 1870) use a Morse Taper (MT) — a precision-ground conical shank that is pressed into a matching taper bore in the machine spindle. There is no chuck. The drill is held by friction between the two tapered surfaces, with a tang at the end that engages a slot for ejection. Taper shank drills are the standard for radial arm drills, lathes, milling machine spindles, and heavy-duty drill presses. M35 COBALT HSS STEP DRILL Bit 1/4″ Hex Shank 1/8″-1/2″ (13 Step Size)