Drill Bits, End Mills

Image Part Number Description / PDF Quantity Rfq
TOL-14854

TOL-14854

SparkFun

END MILL CARBIDE 0.250" 2PK

0

TOL-15041

TOL-15041

SparkFun

END MILL HS STEEL 0.250" 2PK

0

SDS-SET-5

SDS-SET-5

Paladin Tools (Greenlee Communications)

MASONRY BIT KIT SDS PLUS

0

TOL-14853

TOL-14853

SparkFun

END MILL CARBIDE 0.031" 3PK

0

TOL-14818

TOL-14818

SparkFun

DRILL BIT CARBIDE ASSORTED 10PC

0

SDS-1/4

SDS-1/4

Paladin Tools (Greenlee Communications)

MASONRY BIT 1/4" SDS PLUS 6"

0

MAS-SET

MAS-SET

Paladin Tools (Greenlee Communications)

MASONRY DRILL SET

0

TOL-14817

TOL-14817

SparkFun

DRILL BIT CARBIDE ASSORTED 10PC

0

MAS-1/8

MAS-1/8

Paladin Tools (Greenlee Communications)

MASONRY DRILL REPLACEMENT 1/8"

0

84544

84544

Paladin Tools (Greenlee Communications)

BIT 3/8X4

0

MAS-5/16

MAS-5/16

Paladin Tools (Greenlee Communications)

MASONRY 5/16 BIT

0

84582

84582

Paladin Tools (Greenlee Communications)

BIT 1/4X4

0

TOL-14850

TOL-14850

SparkFun

END MILL CARBIDE 0.063" DIA

0

TOL-14858

TOL-14858

SparkFun

END MILL CARBIDE 0.500" 2PK

0

SDS-5/8

SDS-5/8

Paladin Tools (Greenlee Communications)

MASONRY BIT 5/8" SDS PLUS 6"

0

84588

84588

Paladin Tools (Greenlee Communications)

BIT 5/16X4

0

TOL-14815

TOL-14815

SparkFun

END MILL CARBIDE 0.005" 2PK

0

84526

84526

Paladin Tools (Greenlee Communications)

BIT3/16X4

0

SDS-3/16

SDS-3/16

Paladin Tools (Greenlee Communications)

MASONRY BIT 3/16" SDS PLUS 6"

0

TOL-14849

TOL-14849

SparkFun

END MILL CARBIDE 0.125" DIA

0

Drill Bits, End Mills

1. Overview

Drill bits and end mills are cutting tools used in machining processes for material removal. Drill bits primarily create cylindrical holes, while end mills perform milling operations for complex shapes and surface finishing. These tools are critical in modern manufacturing, enabling precision engineering in industries ranging from aerospace to consumer electronics.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Twist Drill BitsHelical flutes for chip evacuation, point angle geometryMetal drilling in automotive components
Center DrillsCombination drill/countersink for precise hole centersAerospace turbine blade manufacturing
Flat End MillsFlat cutting edges for slotting and contouringMold making for injection molding
Ball Nose End MillsSpherical cutting tips for 3D profilingDie sinking in hardened tool steel
Indexable Insert DrillsReplaceable carbide inserts for deep hole drillingOil and gas exploration equipment

3. Structure & Composition

Typical drill bits feature: - Shank: Cylindrical gripping portion (straight or tapered) - Neck: Reduced diameter section for chip clearance - Flutes: Helical grooves for chip evacuation - Cutting Point: 118 -135 angle with primary/secondary cutting edges

End mills incorporate: - Helical Flutes: Variable pitch for vibration reduction - Cutting Edges: Carbide or HSS with PVD coatings - Center-cutting: Allows plunge cutting capabilities

Material compositions include High-Speed Steel (HSS), Solid Carbide, and Cemented Carbide with TiAlN/AlCrN coatings.

4. Key Technical Parameters

ParameterSignificanceTypical Range
Diameter ToleranceEnsures dimensional accuracyh6 to h10
Helix AngleImpacts chip evacuation and cutting forces15 -45
HardnessWear resistance specification60-80 HRC
Surface RoughnessDetermines finish quality0.1-1.6 m Ra
Max RPMSpeed capability limitation500-20,000

5. Application Fields

Major industries include: - Aerospace (engine components, structural parts) - Automotive (engine blocks, transmission cases) - Die & Mold (complex cavity machining) - Electronics (PCB drilling) - Energy (oil drilling equipment)

Typical equipment: CNC machining centers, drill presses, turning centers, and multi-axis machines.

6. Leading Manufacturers & Products

ManufacturerProduct SeriesKey Features
Sandvik CoromantCoroDrill 860Adjustable margin drill for composites
KennametalKSEM End MillShock-resistant geometry for titanium
Mitsubishi MaterialsVP15TF CarbidePVD coating for high-temp alloys
Guhring930 Straight FluteMicron precision for medical devices
IscarCHUCKIN' SeriesModular drill/mill combination tools

7. Selection Recommendations

Key considerations: 1. Material compatibility (workpiece hardness/abrasiveness) 2. Machine tool specifications (speed/power constraints) 3. Cooling system requirements (through-tool vs external) 4. Tolerance requirements (dimensional vs form tolerances) 5. Cost-efficiency balance (tool life vs initial cost)
Example: When machining Inconel 718 aerospace components, select solid carbide end mills with AlCrN coating and 35 helix angle for optimal chip control.

8. Industry Trends

Current developments include: - Nanocomposite coatings for extended tool life - Digital twins for predictive tool maintenance - Hybrid manufacturing integration (additive + subtractive) - Sustainable manufacturing focus (reduced cutting fluids) - AI-optimized toolpath generation for adaptive machining

RFQ BOM Call Skype Email
Top