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51796 High Performance Solid Carbide CNC Steel, Stainless Steel & Composite Cutting Variable Helix Spiral Ball Nose with AlTiN Coating 4-Flute x 1/4 Dia x 1/2 x 1/4 Shank x 2 Inch Long Up-Cut Router Bit/End Mill

Amana 51796 High Performance Solid Carbide CNC Steel, Stainless Steel & Composite Cutting Variable Helix Spiral Ball Nose with AlTiN Coating 4-Flute x 1/4 Dia x 1/2 x 1/4 Shank x 2 Inch Long Up-Cut Router Bit/End Mill

Name: Amana 51796 High Performance Solid Carbide CNC Steel, Stainless Steel &amp; Composite Cutting Variable Helix Spiral Ball Nose with AlTiN Coating 4-Flute x 1/4 Dia x 1/2 x 1/4 Shank x 2 Inch Long Up-Cut Router Bit/End Mill
SKU: Amana 51796
Availability: InStock

Original price was: $73.60.Current price is: $55.20.

1/4×1/2″ 4FL BALLENDMILL AlTiN

UPC: 738685517963 SKU: Amana 51796 Categories: Amana Tool, CNC Router Bits, High Performance Solid Carbide CNC Steel, Stainless Steel & Composite Cutting Variable Helix Spiral Ball Nose Router Bits, Steel, Stainless Steel & Composite Cutting CNC Router Bits

Item Description

Amana Tool’s variable helix tools are the superstars of carbide end mills for professionals and hobbyists alike. The variable helix eliminates harmonic chatter, so critical when surface finishes part dimension tolerances and tool life are of the utmost importance. Premium Aluminum Titanium Nitride (AlTiN) coating provides quantum increases in productivity either in terms of speed or longevity with or without coolant.

They are outstanding tools for peripheral milling and can take aggressive cuts along the full length of the overall flute length with no issues. They last much longer than general purpose end mills partly because they are coated partly because they dampen vibration which tends to break a sharp cutting edge down very quickly. For use with manual and automatic milling machines, as well as the most sophisticated CNC machines.

Variable helix design for faster speeds and feeds. Quiet operation & better finishes.

Excellent for cutting:

Stainless Steel
Steel
Cast Iron
Cermet*
Composites
Low Carbon Steel

Magnesium
Metal Composite Material (MCM)
Plastics
Super Alloys
Titanium (up to 40HRc Hardness)

Cermets are composites in which ceramic materials and metals join together.

AlTiN coating has many benefits:

Extra wear resistance
Allows for faster feed and speed rates
Cutting edge protected from wear
Better chip evacuation
Less heat build up
Superior cutting quality and extended tool life

WARNING**:****Inspect cut quality and adjust feed and speed accordingly. Care should be taken to observe proper feeds and speeds according to the workpiece material to avoid damage.

Note:** For optimal results and extended tool life use mist lubricant system or air cooling.

Specifications

(D) Diameter	1/4
(R) Radius	1/8
(B) Cutting Height	1/2
(d) Shank	1/4
Overall Length (L)	2
Type	Ball Nose
Flutes	4

Other Sizes Available

(D) Diameter	(R) Radius	(B) Cutting Height	(d) Shank	Overall Length (L)	Type	Tool No.
1/16 (1.59mm)	1/32 (0.79mm)	3/16 (4.76mm)	1/8 (3.18mm)	2-1/2	Ball Nose	51910
1/8 (3.18mm)	1/16 (1.59mm)	1/4 (6.35mm)	1/8 (3.18mm)	1-1/2	Ball Nose	51790
1/8 (3.18mm)	1/16 (1.59mm)	3/8 (9.53mm)	1/8 (3.18mm)	1-1/2	Ball Nose	51792
1/8 (3.18mm)	1/16 (1.59mm)	1/2 (12.70mm)	1/4 (6.35mm)	2 (50.80mm)	Ball Nose	51911
3/16 (4.76mm)	3/32 (2.38mm)	7/16 (11.11mm)	3/16 (4.76mm)	2 (50.80mm)	Ball Nose	51794
1/4 (6.35mm)	1/8 (3.18mm)	5/8 (15.88mm)	1/4 (6.35mm)	2-1/2"10.50	Ball Nose	51798
1/4 (6.35mm)	1/8 (3.18mm)	1-1/8	1/4 (6.35mm)	3 (76.20mm)	Ball Nose	51800
1/4 (6.35mm)	1/8 (3.18mm)	3/4 (19.05mm)	1/4 (6.35mm)	2-1/2	Ball Nose	51912
3/8 (9.53mm)	3/16 (4.76mm)	7/8 (22.23mm)	3/8 (9.53mm)	2-1/2	Ball Nose	51802
3/8 (9.53mm)	3/16 (4.76mm)	1-1/8	3/8 (9.53mm)	3 (76.20mm)	Ball Nose	51913
1/2 (12.70mm)	1/4 (6.35mm)	1 (25.40mm)	1/2 (12.70mm)	3 (76.20mm)	Ball Nose	51804
1/2 (12.70mm)	1/4 (6.35mm)	1-1/4	1/2 (12.70mm)	3 (76.20mm)	Ball Nose	51806
3/4 (19.05mm)	3/8 (9.53mm)	1-1/2	3/4 (19.05mm)	4 (101.60mm)	Ball Nose	51808

Weight	0.06 lbs

Brand

Amana Tool

Amana Tool® is an industry leader for over 40 years specializing in industrial quality solid carbide, insert carbide and carbide-tipped cutting tools for the woodworking, plastics, aluminum, composite and metal industry. They provide many solutions for manufacturers, fabricators, display and cabinet professionals as well as hobbyists. Amana Tool’s full line of industrial-quality cutting tools includes saw blades, router bits, shaper cutters, boring bits and much more.

Need This Tool Customized?

Every machining application is different. If this tool is close to what you need but not an exact fit, General Cutting Tools can help modify it for your specific job, machine, material, or production requirement.

We work with CNC shops, industrial manufacturers, tool rooms, and production facilities to provide tool modifications that improve fit, function, performance, and efficiency. Whether you need a small adjustment or a more specialized cutting tool solution, our team can review your requirements and recommend the best option.

Custom tool modifications can help reduce setup time, improve accuracy, extend tool life, solve clearance issues, and support more consistent production results.

Common Tool Customization Options

Diameter and OD Modifications

We can modify tool diameters to better match your application requirements, including cutting diameter changes, OD modifications, pilot diameter adjustments, step diameters, and shank diameter modifications.

Bore Modifications for Saw Blades

Custom saw blade bore modifications are available for hole diameter changes, pinholes, mounting holes, and keyway cutouts to help match your machine setup and cutting requirements.

Length Adjustments

Tools can be modified for specific reach, clearance, or setup needs. This may include overall length changes, flute length adjustments, reduced neck sections, extended reach designs, or shortened tools for improved rigidity.

Shank Modifications

Shank modifications can help ensure the tool fits properly in your holder, spindle, or machine setup. Common options include shank diameter changes, flats, Weldon flats, reduced shanks, and custom holding requirements.

Radius, Chamfer, and Corner Changes

We can customize corner radius, chamfer angles, edge breaks, and other profile details to meet part print requirements or improve cutting performance.

Step Tool Modifications

For applications that require multiple diameters or operations in a single tool, we can create or modify step tools to help reduce tool changes and improve production efficiency.

Flute and Cutting Edge Adjustments

Depending on the tool and application, flute length, cutting edge geometry, end cutting features, relief angles, and cutting edge shape may be modified to improve chip evacuation, cutting action, and tool performance.

Regrinding and Resharpening

Many cutting tools can be reground or resharpened to restore performance, extend tool life, and reduce replacement costs.

Custom Profiles and Special Forms

For unique part features, we can help provide special forms, custom profiles, custom radii, counterbores, countersinks, keyseat cutters, form tools, and other application-specific tooling solutions.

Material-Specific Tool Adjustments

We can help modify or recommend tooling based on the material being machined, including aluminum, brass, bronze, plastics, stainless steel, hardened steel, cast iron, composites, and other industrial materials.

Have a Drawing, Sample, or Part Print?

Send us your print, sketch, CAD file, photo, tool number, sample, or application details. For the fastest quote, include the material being cut, quantity needed, required dimensions, tolerances, and any machine or holder requirements.

Coating Options

Tool coatings can be selected or added to improve wear resistance, heat resistance, lubricity, and performance in specific materials such as steel, stainless steel, aluminum, cast iron, and high-temperature alloys.

Request a Custom Tool Modification

Need this tool changed for your application? Contact General Cutting Tools today to discuss your custom tooling needs. We can help you find the right solution for your machine, material, and production goals.