4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 1

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 2

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 3

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 4

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 5

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 6

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM 7

4-inch 40T TCT Saw Blade for Aluminum, Carbide Tip, OEM

A 4-inch, 40-tooth TCT (tungsten-carbide-tipped) saw blade designed for cutting aluminum and other non-ferrous metals, sold as an OEM-quality replacement. Carbide tips provide long life and maintain sharpness at high speed, while 40 teeth give fine, low-burr finishes and smooth feeding for precise cuts. The compact 4" size and thin kerf reduce material waste and motor strain, fitting small miter and chop saws for frequent, accurate aluminum work.

Lead Time:

1-10(pieces):3(days),11-100(pieces):25(days),101-1000(pieces):45(days),>1000(pieces):To be negotiated(days)

Place of Origin:

China

Customization:

Customized logo (Min. Order: 200 sets),Customized packaging (Min. Order: 1000 sets),Graphic customization (Min. Order: 200 sets)

Samples:

$2.89/piece | Min. order : 1 piece

Shipping:

Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

model number:

4"40BT

brand name:

X&H

Inquiry

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Body Material

Special Steel

Use

Power Tools Circular Saw

Kerf

1.8mm

Inner Diameter

20mm or As Your Request

Blade Material

Tungsten Carbide Steel

Body Thickness

1.1mm

Number of Teeth

40T

Package

Inner Box + Outer Carton

MOQ

10pcs

Diameter

4"110mm

blade width

1.8mm

grade

Industrial

Saw Blade Size

4inch(10.16cm)

finishing

White

place of origin

Shanghai, China

customized support

OEM, ODM, OBM

process type

Hot Press, High Frequency Welded, Cold Press

blade diameter

110mm

blade length

6 1/2 in

teeth per inch

Customized

arbor size

20mm

Cutting Thickness

1.1mm

warranty

3 Years

Precision Cuts, OEM Quality

The 4-inch 40T TCT Saw Blades for Power Tools provide fast, burr-free cutting of aluminum with tungsten-carbide tips and a special-steel body engineered for long life and accuracy. A slim 2.0mm kerf, precise BC/BT tooth pattern, varnish or custom finish, and compact 4" shape—packed securely in OEM packaging—reduce waste, heat and edge damage for consistent finishes. Backed by professional-grade manufacturing, technical support, sample availability and fast global shipping, this carbide-tip blade keeps jobs moving with reliable results.

4-inch 40T Carbide Cutter

The 4-inch 40T TCT blade pairs tungsten-carbide tips with a special-steel body and varnish finish, a thin 2.0mm kerf and precision BC/BT tooth geometry to deliver fast, burr‑free cutting performance. As a professional-grade TCT Saw Blades for Power Tools, it offers excellent heat resistance, long tool life and clean cuts across aluminum, brass, plastic, wood and light steel when used in circular saws and other power tools. OEM customization of diameters, bore sizes, tooth counts and finishes, combined with technical support and short lead times, makes it a versatile choice for high-precision, low-waste industrial and trade applications.

4-Inch Precision Carbide Blade

The 4-inch 40T blade pairs tungsten carbide tips with a special steel body and varnish finish to deliver professional-grade cutting performance for aluminum, wood, plastic, brass and steel. TCT Saw Blades for Power Tools from X&H are offered in multiple diameters, inner bore sizes, kerfs and tooth patterns to match OEM specifications for circular saws and power tools. Backed by over 20 years of manufacturing experience and technical support, this OEM blade provides reliable performance and fast delivery options.

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Smooth Precision, Durable Carbide

Built by an OEM with decades of tooling experience, this 4-inch 40T TCT Saw Blade for Aluminum embodies the brand’s commitment to precision and durability and is part of our TCT Saw Blades for Power Tools range. The carbide-tipped, 40-tooth geometry and precision-ground teeth deliver fast, burr-free cuts in aluminum while the 4-inch diameter and optimized gullet design minimize clogging and reduce heat build-up. Features such as a heat-treated steel core, anti-vibration profile, universal arbor fit, and strict QA provide extended blade life, stable operation, and consistent cut accuracy for both professional and hobbyist use.

Material introduction

TCT Saw Blades for Power Tools feature tungsten carbide tips brazed onto a special steel body, providing superior edge retention and high wear resistance for clean cuts in aluminum, brass and plastics. The 4-inch 40T configuration and wider range of diameters (105–600 mm), customizable inner diameters, kerfs and body thicknesses allow tailored performance for circular saws and other power tools, while a varnish finish protects against corrosion. Built to professional grade standards, these blades balance thin-kerf efficiency with carbide-tipped durability to maximize productivity and deliver precise, burr-free results on non-ferrous metals.

◎ Carbide-Tipped Heat-Treated Core

◎ OEM-Customizable Finish & Geometry

◎ Professional TCT Power-Tool Blade

FAQ

What materials and cutting tasks is the 4-inch 40T TCT saw blade designed for?

This blade is optimized for aluminum and other non-ferrous materials — e.g., aluminum extrusions, profiles, thin sheets, brass, copper, and many plastics. The 40-tooth carbide-tipped design delivers a fine, low-burr finish ideal for precision crosscuts and miter cuts on thin-to-medium stock. It is not recommended for cutting ferrous metals or stainless steel.

Which saws will this blade fit and how do I confirm compatibility?

It fits 4-inch saws that have a matching arbor diameter and are rated for the blade’s maximum RPM. Before fitting, measure your saw’s arbor and check the saw’s maximum RPM rating; confirm the blade’s arbor size and RPM rating on the product label or spec sheet. If you are unsure, consult your saw manual or the blade supplier.

What spindle speed (RPM) and feed technique should I use when cutting aluminum?

For a 4-inch carbide blade cutting aluminum, aim for relatively high surface speed with moderate RPM — commonly in the roughly 3,000–6,000 RPM range for this diameter — but always observe the blade and tool ratings and your saw’s limits. Use a steady, moderate feed rate: let the blade cut without forcing it, maintain consistent pressure, and avoid stalling. Adjust speed and feed to minimize heat, chatter, and burrs.

Do I need lubricant or coolant when cutting aluminum with this blade?

Yes — using a light cutting oil, specialized non-staining lubricant, or air blast reduces heat, prevents aluminum from sticking to the teeth (gumming), improves finish, and extends blade life. For thin or delicate pieces, compressed air to clear chips may be sufficient. Avoid aggressive coolants that cause corrosion on saw components and always follow the blade and saw manufacturer recommendations.

How long will the carbide tips last and can the blade be resharpened?

Carbide tips are durable and typically outlast high-speed steel teeth, but actual life depends on material hardness, cutting speed, feed, lubrication, and operator technique. Tips can often be professionally resharpened a limited number of times; once tips are chipped or worn beyond serviceable geometry, replacement is recommended for safety and cut quality.

What safety and maintenance practices should I follow to get the best results?

Always wear eye and hearing protection and use appropriate gloves. Secure the workpiece, keep guards in place, and disconnect power before changing the blade. Inspect the blade for missing or damaged teeth before use, clean off aluminum buildup after cutting, and store the blade dry and protected. Never exceed the blade’s rated RPM or apply side loads; follow your saw’s instructions for safe operation.

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