Rebar Cutter Blade

Why Premium Rebar Cutter Blades Are Essential for Construction Success

In the demanding world of reinforced concrete construction, the speed and safety of your operations hinge on one critical component: rebar cutter blades. Whether you’re working on a high-rise foundation or a bridge deck, a dull or low-quality blade can lead to costly downtime, jagged cuts, and unnecessary strain on your hydraulic equipment—all of which derail project timelines and profitability.

Compatibility: A Perfect Fit for Every Machine

A major frustration for contractors is finding reliable parts that fit their existing equipment fleet. High-quality rebar cutter blades are precision-machined to meet OEM specifications for leading brands, eliminating the guesswork and ensuring a seamless fit:

- Ogura & Diamond: Engineered to match the heavy-tonnage requirements of professional hydraulic shears, delivering consistent performance for high-demand jobs.

- ERC Series: Provides robust shearing blocks tailored for electric rebar cutters, ensuring compatibility and reliability across residential and commercial projects.

Most professional rebar cutter blocks feature 4 usable cutting edges. A simple 90-degree rotation of the block, as soon as one edge shows wear, can effectively quadruple the lifespan of your blade—maximizing your investment and reducing replacement frequency.

Value Beyond Cost: Why Premium Blades Are a Necessity

While generic blades may seem like a budget-friendly choice upfront, the true measure of value is cost-per-cut. Premium rebar cutter blades reduce replacement frequency, prevent costly hydraulic system failures, and ensure clean, efficient cuts every time.

For any serious construction project, high-performance blades are not an expense—they’re an insurance policy for your productivity, safety, and bottom line.

Rebar cutter blade specifications and dimensions

NO.	Product Name	Specification   Dimensions (length x width x height/thickness) ）	Material	Remarks
1	Rebar Cutter Blade size	78*78*17   mm	9crsi，SKD-11，H13	Customization services are available; we can   manufacture according to your drawings, with a minimum order quantity of 2 piece.
2		80*80*17   mm
3		80*80*30mm
4		83*83*16   mm
5		83*83*26   mm
6		83*83*26  mm
7		90*90*20   mm
8		90*90*26mm
9		100*100*20  mm
10		100*100*30mm
11		110*110*20   mm
12		100*30*75 mm
13		85x65x30 mm
14	Handheld   Rebar Cutter Blade	26×20×10 mm
15		30×24×11 mm
16		36×28×14 mm
17		40×30×15 mm

I will provide you with usage suggestions based on material selection, equipment matching, cutting material, and manufacturing process:

rebar cutter blade Material Selection

The blade material directly determines its hardness, toughness, and service life. Choose the material according to your cutting needs:

H13  Material

Chemical Composition

C: 0.32–0.45%Cr: 4.75–5.50%Mo: 1.10–1.75%Si: 0.80–1.20%Mn: 0.20–0.60%V: 0.80–1.20%P, S ≤ 0.030%Balance Fe

Effects of Chemical Composition

Medium C: Balances strength and high toughness to avoid chipping.

Cr + Mo + V: Greatly improves heat resistance, hot cracking resistance and impact strength.

Si: Improves high-temperature strength and temper stability.

Mechanical Properties

Hardness: HRC 48–54

Excellent toughness, impact resistance and chipping resistance,outstanding heat resistance and thermal fatigue resistance.

Application: Hot shear blades, thick blades, and high-impact rebar cutting conditions.

Currently the mainstream high-quality blade material on the market, possessing both extremely high wear resistance and toughness, with outstanding resistance to thermal cycling. Even during long-term, high-intensity continuous cutting, it is not prone to deformation or chipping, making it suitable for large-scale processing of high-strength rebar.

Cr12MoV Material

Chemical Composition

C: 1.45–1.70%Cr: 11.00–12.50%Mo: 0.40–0.60%V: 0.15–0.30%Si ≤ 0.40%Mn ≤ 0.40%P, S ≤ 0.030%Balance Fe

Effects of Chemical Composition

High C + high Cr: Forms massive hard carbides for extremely high wear resistance.

Molybdenum (Mo): Refines grains, reduces brittleness, improves toughness and fatigue resistance.

Vanadium (V): Further refines microstructure, enhances wear resistance and edge retention.

Mechanical Properties

Hardness: HRC 61–64

High compressive and bending strength,excellent wear life and chipping resistance.

High-hardness, high-wear-resistance tool steel. Its hardness far exceeds that of ordinary alloy blades, and it can handle the cutting needs of high-hardness cold-rolled rebar. Note that its toughness is relatively weaker; it is recommended to avoid using it in high-impact, large-gap cutting conditions.

9CrSi Material

Chemical Composition

C: 0.85–0.95%Si: 1.20–1.60%Cr: 0.95–1.25%Mn: 0.30–0.60%P, S ≤ 0.030%Balance Fe

Effects of Chemical Composition

Carbon (C): Increases hardness and wear resistance for a sharp cutting edge.

Silicon (Si): Improves temper stability and red hardness, preventing softening during continuous shearing.

Chromium (Cr): Enhances hardenability for uniform hardness across the blade.

Manganese (Mn): Improves toughness and reduces quenching cracking risk.

Mechanical Properties

Hardness: HRC 60–62High compressive strength, good wear resistance,moderate toughness and impact resistance.

Application: Economical small-to-medium rebar cutting blades.

An economical and practical choice. It has good hardenability and machinability, suitable for cutting ordinary medium- and low-strength rebar, and is widely used in small and medium-sized projects.

Matching Mechanical Specifications (Customized by Size)

Shape Matching: Common blade shapes are square (four sides usable) and rectangular. Square blades allow for the rotation of four cutting edges, significantly extending their service life, suitable for large-scale processing scenarios; rectangular blades are mostly single-sided or double-sided, suitable for small-tonnage cutting machines.

Size Matching: Different tonnage cutting machines (such as GQ40, GQ50, GQ60) have specific standards for blade thickness, length, width, and bolt hole spacing.  Selection must strictly follow the equipment's instruction manual.

Different types of rebar have significantly different physical properties, so blade selection needs to be based on the material characteristics:

Ordinary Round Steel: 

Low hardness and low cutting resistance. 9CrSi or Cr12MoV materials are sufficient, meeting basic cutting needs while controlling costs.

High-Strength Ribbed Rebar : 

High hardness, and the ribbed surface structure easily wears down the blade. It is recommended to use H13 material. Its excellent wear resistance and toughness can effectively reduce the risk of chipping, making it suitable for high-strength continuous cutting. 

Manufacturing Process

Blades processed through full grinding and vacuum heat treatment are preferred. These blades have a uniform hardness distribution, good edge retention, and are less prone to chipping or dulling during cutting.

Custom rebar cutter blades

Our blades, through optimized hardening depth and toughness, address the common industry problem of brittle fracture when cutting high-strength rebar

Blade Metal Materials Grade Correspondence Table

Base Grade	Steel Category	Chinese Standard GB/T 1299	American Standard ASTM	German Standard DIN (W-Nr.)	Japanese Standard JIS
H13	Hot Work Die Steel	4Cr5MoSiV1	H13	1.2344	SKD61
Cr12MoV	Cold Work Die Steel	Cr12MoV		1.2601	SKD11
9CrSi	Alloy Tool Steel	9CrSi		1.2108

rebar cutter blades drawing

H13 blade material is really good at resisting wear and has great toughness. Even when used for long periods of high-intensity cutting, it stays stable—no deformation, no chipping at all. It’s the top pick for international trade because it doesn’t need to be replaced as often, which cuts down a lot on transportation costs and customs duties compared to other materials.

Installation location of the rebar cutter blade

Long-life rebar cutter blades 2026

Are high-hardness steel rebar cutting blades prone to chipping?