How to Order a Furukawa Breaker Chisel: A 7-Step Buyer's Checklist

If you're here because you need a Furukawa breaker chisel, you already know the situation: the old tool finally wore out, and you need a replacement without burning time or money. That's exactly what this checklist is for.

I've spent the last 6+ years managing equipment procurement budgets and tracking every invoice in our cost system — including six figures of cumulative spend on breaker tools and replacement parts. Along the way, I've ordered plenty of chisels for Furukawa breakers, made my own share of mistakes, and refined this list from those mistakes.

Seven steps. Ten minutes of checking. Potentially hundreds or thousands of dollars in avoided downtime.

Step 1: Confirm the exact breaker model

"It's a Furukawa" doesn't narrow things down much. Furukawa's hydraulic breaker lineup ranges from compact handheld units to heavy excavator-mounted models — F-Series, HB-Series, and others depending on your market and machine age. Each one takes a specific chisel design.

Find the model plate on the breaker body. It usually reads something like F6, F12, or HB20G. If the plate is worn or painted over, check your equipment service records. Still stuck? Take close-up photos of the breaker and the old chisel, and send them to a Furukawa dealer. A competent dealer will identify the model before selling you anything — that's a supplier worth keeping.

Step 2: Choose the right chisel type for your material

Furukawa chisels come in several tip configurations, and the choice isn't cosmetic. It directly affects breaking performance and tool wear:

• Moil point — the general-purpose option for rock and concrete. Concentrates force at a point and works well for most jobsites.
• Flat chisel — suited for slab concrete and crack propagation. The wider edge helps with controlled fracturing.
• Blunt tool — designed for secondary breaking in very hard rock. Transfers more impact energy but penetrates less.

Not sure which tip fits your work? Ask your operators. Honestly, it's kinda surprising how many equipment buyers never ask the person holding the breaker. A two-minute conversation with your operator can save you from ordering a tool that's wrong for your most common application.

Step 3: Measure the dimensions with calipers

This is where most mismatches happen. A chisel can look right next to the old one but be off by millimeters in the shank diameter or length — and that's enough to cause poor seating, vibration, and lost impact energy.

Capture three numbers:

1. Shank diameter — the portion that slides into the breaker's tool bushing. Must match the bushing tolerance.
2. Overall length — compare directly against the worn chisel you're replacing.
3. Working length — the exposed section between the bushing face and the tip. This affects blow energy delivery.

Use calipers. Tape measures and ruler estimates are fine for rough checks, but they're not enough when a 2mm difference determines whether a chisel seats snugly or rattles around.

Step 4: Verify the retaining pin slot

Your breaker holds the chisel in place with retaining pins that fit into slots on the shank. Those slots need to line up with the pin holes in the tool bushing — if the position is off, the pin won't seat, and the chisel can work loose under load.

Physically compare the slot location on the replacement against your old chisel. And while you're at it, inspect the tool bushing for wear. A worn bushing causes premature chisel failure no matter how good the chisel is. Replacing the bushing is usually a $200-level repair; buying new chisels every few months because a worn bushing is eating them adds up to real money fast.

Step 5: Match the steel grade to your rock type

Furukawa chisels are made from high-alloy tool steel, but not all of them are identical in hardness and toughness. The right metallurgy depends on what you're breaking:

• Hard, abrasive rock — you need a chisel that resists wear without being so brittle it chips under impact.
• Soft or mixed material — a tougher, more impact-resistant steel usually lasts longer than an ultra-hard one.

Ask your supplier for the steel grade and hardness spec before you order. Per FTC guidelines (ftc.gov), performance claims need to be substantiated with evidence — so if a dealer tells you a chisel "lasts twice as long," ask for the test data. A supplier who can't produce it isn't giving you information; they're giving you marketing.

Step 6: Cross-check the part number against official documentation

This step exists because I learned it the expensive way. In early 2024, I ordered a chisel from a listing that read "fits Furukawa F6." It arrived, and it did not fit our F6 — well, it kind of did, but it was for a different bushing variant, and the shank diameter was just off enough to fail seating.

The return took two weeks, and we lost a day of production waiting for the correct part. Nothing about that supplier was malicious; the listing was just incomplete. But it taught me a rule I now apply to every breaker part order: cross-check the part number against Furukawa's official parts catalog or a certified dealer's compatibility system before purchasing.

If a listing doesn't show a part number, or the seller can't confirm fitment against their own compatibility data, treat it as a red flag. A five-minute phone call costs far less than a wrong-order return plus freight.

Step 7: Calculate the full delivered cost

Breaker chisels are heavy. A mid-size breaker chisel easily weighs 30 pounds or more, and larger ones can push past 100. For context, USPS First-Class large envelope rates are $1.50 for 1 oz as of January 2025 (per usps.com) — you're not shipping a chisel in an envelope. You're shipping 50+ pounds of steel, and that's a freight-quoted item.

When suppliers compete on unit price, they often leave the freight, handling, and surcharges for the invoice. Before you compare quotes, ask each one for the full delivered price. If a quote arrives with separate line items for "handling" or "fuel surcharge," those are real costs — they just shouldn't be a surprise.

A recent comparison from my own records: Supplier A quoted $340 per chisel plus $125 freight and handling — $465 total. Supplier B quoted $430 with freight included. On paper, Supplier A looked cheaper by $90. In reality, Supplier B was cheaper by $35, and the delivered price was predictable. That's the difference between comparing unit prices and comparing total costs.

Three Mistakes That Make Chisel Purchases More Expensive

1. Treating "compatible" as a spec

To be fair, aftermarket chisels have improved significantly since 2020, and many are perfectly good. But "fits Furukawa" is a category, not a guarantee. Verify dimensions and part numbers the same way you would for an OEM part.

2. Choosing by unit price instead of cost per hour

I understand budget pressure — I've sat in those meetings. But a $300 chisel that lasts 150 hours costs more per operating hour than a $400 chisel that lasts 300 hours in the same application. Track the cost per hour, not the cost per unit. That's where the real savings are.

3. Ignoring lead time until it's urgent

Waiting until the chisel breaks to order a replacement means you'll pay for expedited freight and still lose production days. If you run one breaker consistently, keep a spare chisel in stock. The carrying cost of holding inventory is almost always less than the cost of emergency shipping and idle equipment.

Run through these seven steps on your next chisel order, even if you're confident you already know the answer. The check costs about ten minutes. The wrong order costs days, freight charges, and a conversation you don't want to have with your project manager.