Best Diamond Blades for Stihl Cut-Off Saws

The best diamond blades for Stihl cut-off saws are the same 14-inch blades that fit Husqvarna, Milwaukee, and every other major cut-off saw — as long as they include the 20mm reducer bushing. Stihl’s arbor is 20mm metric, not 1-inch imperial, and a missing bushing is the #1 reason contractors can’t mount a new blade at the job site. This guide covers blade compatibility for every current Stihl cut-off saw plus top picks per material.

The Short Answer

For most contractors running a Stihl TS 420, TS 500i, or TS 440:

1. Best value for concrete — Virginia Abrasives 14″ Ultra Value ($50-70). 14″ × 1″ arbor with 20mm bushing. Medium bond. Daily cured-concrete and block work.
2. Best for asphalt or green concrete — VA 14″ BD Asphalt / Green Concrete ($60-85). Hard bond for soft, abrasive material.
3. Best for reinforced concrete — VA 14″ Premium Sparkie ($170-180). Handles heavy rebar without glazing.
4. Best premium for production — Husqvarna Elite-Cut S85 ($140-180). Longest life, Husqvarna dealer distribution.
5. Best for TS 800 (16″) — VA 16″ General Purpose or MK Diamond 16″ — 1″ arbor, 5.5″ depth of cut.

Top Picks at a Glance

Stihl Saw	Recommended Blade	Material	Price Range
TS 420 / TS 440	VA 14″ Ultra Value	Cured concrete, block	$50-70
TS 500i / TS 700	VA 14″ Ultra Value or Husqvarna S85	Cured concrete, production	$50-180
TS 420-TS 700 (asphalt)	VA 14″ BD Asphalt/Green	Asphalt, green concrete	$60-85
TS 420-TS 700 (rebar)	VA 14″ Premium Sparkie	Reinforced concrete	$170-180
TS 800	VA 16″ or Husqvarna 16″	Cured concrete, deep cuts	$90-220
TSA 300 (cordless)	Any 12″ × 20mm concrete blade	Light cured concrete	$45-90

Stihl Saw Compatibility Chart

Every current Stihl cut-off saw and the blades it takes:

Saw Model	Power	Blade Size	Arbor	Max RPM	Cutting Depth
TS 420	Gas 66.7cc	14″	20mm	5,350	4.9″
TS 440	Gas 66.7cc	14″	20mm	5,350	4.9″
TS 500i	Gas 72.2cc (fuel injected)	14″	20mm	5,350	4.9″
TS 700	Gas 98.5cc	14″	20mm	5,100	4.9″
TS 800	Gas 98.5cc	16″	1″	4,900	5.5″
TSA 300	Battery 36V	12″	20mm	6,300	3.9″

RPM note: we’ve independently verified the TS 420 at 5,350 RPM against Stihl’s published spec; the other figures above are representative for each model’s blade size and should be confirmed against your saw’s nameplate. Across the 14-inch Stihl line, a blade rated 5,500+ RPM is safe.

Critical compatibility note: most Stihl saws use a 20mm metric arbor, not the 1-inch imperial arbor common in North American saws. Most aftermarket blades ship with a 1-inch arbor hole and include a 20mm reducer bushing in the box. Verify the bushing is present before the job site — mounting a 1-inch blade on a 20mm arbor without the bushing causes run-out and is a safety hazard.

The TS 800 is the exception — it uses a 1-inch arbor natively (no bushing required) because the 16-inch blade size is more common with 1-inch arbor in North American supply.

Best Diamond Blades for Stihl: By Material

General Concrete (The 80% Case)

Most Stihl saws are run on cured concrete — slab cutting, wall penetrations, demo work, curb cutting. The blade needs a medium bond, 14-inch diameter, and a 1-inch arbor with 20mm bushing.

Pros: Drop-in compatibility with every non-TS-800 Stihl saw. Best value for general cutting. USA manufactured. Amazon Prime shipping bypasses Stihl dealer pricing.

Cons: Medium bond not optimal for green concrete or asphalt — use the BD line for those. Mid-tier blade life compared to Husqvarna Elite-Cut S85.

See our full review: Virginia Abrasives Ultra Value Review.

Asphalt and Green Concrete

Road work, parking lot patches, early-entry saw cutting on fresh pours. Requires a hard-bond blade — using a standard concrete blade on asphalt burns through it 2-3× faster.

For deeper coverage see Best Diamond Blades for Asphalt.

Reinforced Concrete (Heavy Rebar)

For cuts through slabs, walls, or beams with #5 or #6+ rebar, the Ultra Value glazes on the steel. Step up to a combo or multi-purpose blade.

Production Cutting (Husqvarna S85 on a Stihl)

For daily production work on a Stihl saw, the Husqvarna Elite-Cut S85 delivers the longest blade life in the 14-inch category despite being a Husqvarna-brand blade. The 20mm bushing fits every Stihl saw the same as any other aftermarket blade.

Pros: Longest blade life in the category. Premium bond holds up against reinforced concrete. Fits Stihl saws without modification.

Cons: Most expensive 14″ blade we recommend. Dealer-distributed (not always Prime-available). Overkill for occasional use.

TS 800: The 16-Inch Exception

The Stihl TS 800 is the only Stihl cut-off saw that takes a 16-inch blade, and it uses a 1-inch arbor natively — no bushing required. The 16-inch size gives 5.5” depth of cut, which matters when cutting thick slabs, walls, or curbs in one pass.

Blade options for TS 800:

• Virginia Abrasives 16″ General Purpose — same bond formulation as the 14″ Ultra Value, scaled up
• MK Diamond MK-303 16″ — construction-supply alternative
• Husqvarna Elite-Cut S85 16″ — premium production pick

Fewer 16-inch aftermarket blades exist than 14-inch. Check compatibility with depth needs before ordering.

TSA 300: The Cordless Option

Stihl’s battery-powered TSA 300 takes 12-inch blades with a 20mm arbor. It runs at higher RPM (6,300) but with less sustained cutting power than gas saws — battery runtime limits production work.

Blade guidance for TSA 300:

• Use any 12″ concrete diamond blade with a 20mm arbor (or 1” with 20mm bushing)
• Max RPM on the blade must be 6,500+ to safely match the saw’s 6,300 RPM
• For light cured-concrete trim cuts, mid-tier general-purpose blades are fine
• For heavier or continuous cutting, switch to a gas TS 420 — battery runtime won’t sustain the work

Are Stihl-Brand Blades Worth the Premium?

Stihl sells their own diamond blades through dealers. They perform well — no complaints on cut quality or safety. But they cost 30-50% more than equivalent aftermarket blades (VA Ultra Value, MK-303, Pearl P4) without proportional performance gain. In our testing, a Stihl-brand 14” general-purpose blade delivers similar blade life and cut speed to a VA Ultra Value at $100+ vs. $60-70.

When Stihl-brand makes sense: you need a blade at the Stihl dealer today and can’t wait for Amazon shipping. Warranty coverage might matter for specific commercial fleets.

When aftermarket makes sense (most of the time): budget, Amazon Prime shipping, and a preference for brand-agnostic blade selection.

Common Compatibility Problems on Stihl Saws

Blade Doesn’t Fit the Arbor

Missing 20mm bushing. The blade came with a 1-inch hole and needs the bushing to fit Stihl’s 20mm arbor. Bushings are usually in the blade’s box or a small bag inside. If missing, order a replacement from any construction supply — they’re universal.

Blade Wobbles at Full Throttle

Bushing installed crooked, worn flange on the saw, or the blade’s arbor hole has elongated. Check bushing seating first, then flange, then retire the blade if run-out exceeds 0.005”.

Blade Max RPM Below Saw’s Rated Speed

Dangerous. Match blade max RPM to saw rated RPM before mounting. Every current Stihl cut-off saw peaks at 5,350 RPM or below (except TSA 300 at 6,300) — any blade rated 5,500+ RPM is safe for gas saws; TSA 300 needs 6,500+ rated blades.

Blade Generates Sparks on Cured Concrete

The blade is glazed. Dress it on a cinder block or sandstone — a few cuts in abrasive material re-exposes the diamonds. See How to Fix a Glazed Diamond Blade.

Our Top Picks for Stihl Saws

Blade	Best For	Stihl Compat	Link
VA 14″ Ultra Value	Cured concrete, daily work	TS 420/440/500i/700	Amazon
VA 14″ BD Asphalt/Green	Asphalt, green concrete	TS 420/440/500i/700	Amazon
VA 14″ Premium Sparkie	Reinforced concrete, premium	TS 420/440/500i/700	Amazon
Husqvarna Elite-Cut S85	Production cutting	TS 420/440/500i/700	Husqvarna dealer
VA 16″ General Purpose	Deep cuts, thicker slabs	TS 800	VA Amazon store

Browse the full Virginia Abrasives lineup on Amazon →

For Husqvarna users, see Best Diamond Blades for Husqvarna. For the 14-inch deep dive, see Best 14-Inch Diamond Blades for Concrete. For blade selection fundamentals, start with the Diamond Blade Buying Guide.