Full Guide to Hydraulic Breaker Chisels — Authoritative Reference for Dealer Cooperation and End-User Selection

In hydraulic breaker operations, the chisel is the only core component directly contacting the working surface. Its material, design, and manufacturing process not only determine crushing efficiency and equipment lifespan but also significantly affect construction costs and project schedules. Total Cost of Ownership (TCO) includes not only the initial purchase price but also maintenance costs, consumable expenses, and efficiency losses due to downtime, making it a key metric for evaluating real costs. For global dealers, precise selection improves customer satisfaction and enhances market competitiveness. For construction companies and end-users, correct selection means shorter project durations, less downtime, and lower overall investment. This guide combines Haichen Machinery’s international dealer experience with full-range product technical analysis to help you quickly find the most suitable chisel solution for your working conditions.

September 6, 2025 by

HaiChen Machinery, Eric·Gavin

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I. Quick Selection Overview (TL;DR)

类别	子类型/名称	关键特性	应用场景
标准钎杆	方尖	锋利方形截面，集中破碎力	坚硬岩石、钢筋混凝土初步破碎
	圆锥	高穿透力	极硬岩石、厚混凝土
	平头	大冲击面	二次破碎、表面平整
开槽钎杆	方尖/圆锥带排屑槽	防卡滞，改善排屑	高频作业、多碎屑环境
扁平/线型	横切凿	水平切割	岩石和混凝土开槽
	竖切凿	窄沟挖掘，延伸切割	挖沟、切割
多面锻造型	四/六/八面体	受力均匀，应力流优化，高耐用性和穿透力	硬岩初步破碎、高强度作业
特殊功能型	大头钎杆	大区域破碎和压实	表面压实、粗破碎
	宽铲/锻造铲	宽切割面	沥青切割、冻土、剥离
	整体式夯实板	一体式夯实面	道路建设、基础压实、地面清理
	打桩头	专业打桩	打桩、基础加固
硬芯	硬芯钎杆	合金芯+韧外层，寿命2-3倍	高磨损、高强度连续作业

Category	Subtype / Name	Key Features	Application Scenarios
Standard Crushing Type	Pyramid Tool	Sharp square section, focused crushing force	Hard rock, reinforced concrete primary breaking
	Conical Moil Tool	High penetration	Extremely hard rock, thick concrete
	Standard Blunt Tool	Large impact surface	Secondary breaking, surface leveling
Chisel Type	Pyramid / Conical with Dust Grooves	Anti-jamming, improved debris removal	High-frequency operations, debris-prone environments
Flat / Line Type	Cross-Cut Chisel	Horizontal cutting	Rock and concrete groove cutting
	Line-Cut Chisel	Narrow trench excavation, extended cutting	Trenching, precision cuts
Multi-Faced Forged Type	Four / Six / Eight Faces	Even force distribution, optimized stress flow, high durability and penetration	Hard rock primary breaking, high-strength operations
Special Function Type	Super Blunt Tool	Large-area crushing and compaction	Surface compaction, rough breaking
	Wide Spade / Forged Shovel	Wide cutting surface	Asphalt cutting, frozen soil, stripping
	Integrated Round Tamping Plate	One-piece tamping surface	Road construction, foundation compaction, ground cleaning
	Post Driver Chisel	Specialized for piling	Pile driving, foundation reinforcement
Hard Core Chisel	Hard Core Chisel	Alloy core + tough outer layer, 2–3× lifespan	High-wear, high-intensity continuous operations

II. Dimensions & Equipment Matching (Reference Table)

Select chisel diameter based on excavator tonnage to ensure compatibility and safety:

挖掘机吨位 (t)	钎杆直径 (mm)	Excavator Tonnage (t)	Chisel Diameter (mm)
0–4	约 53	0–4	~53
4–7	约 75	4–7	~75
7–11	约 85	7–11	~85
11–18	约 100	11–18	~100
19–28	约 140	19–28	~140
28–40	约 155	28–40	~155
40–55	约 175	40–55	~175

Checklist: Shank length / diameter / pin type must match the breaker model. For example, see the CAT B series chisel diameter in its product manual.

III. Full Chisel Types Analysis and Application Scenarios

1. Standard Crushing Type

Pyramid Tool: Sharp square section, focused crushing force, suitable for hard rock and reinforced concrete primary breaking.
Conical Moil Tool: High penetration, suitable for extremely hard rock and thick concrete.
Standard Blunt Tool: Large impact surface, ideal for secondary breaking and surface leveling.

Pyramid tool

Conical Moil

Standard blunt tool

2. Chisel Type

Pyramid / Conical with Dust Grooves: Anti-jamming, improved debris removal, suitable for high-frequency operations or material-prone environments.

Pyramid with Dust Grooves

3. Flat / Line Type

Cross-Cut Chisel: Cutting rocks and concrete grooves.
Line-Cut Chisel: Narrow trench excavation and extended cutting.

Cross-Cut

Клин гидромолота

4. Multi-Faced Forged Type

Four / Six / Eight Faces: More forged surfaces distribute force evenly, optimize internal stress flow, reduce stress concentration, and significantly improve bending resistance, fatigue life, and wear resistance. Higher penetration force makes it the first choice for hard rock primary breaking.

Forging

Forging Octagon

5. Special Shapes & Functional Types

Super Blunt Tool: Large-area crushing and compaction.
Wide Spade / Forged Shovel: Asphalt cutting, frozen soil, stripping operations.
Integrated Round Tamping Plate: Road construction, foundation compaction, ground cleaning.
Post Driver Chisel: Piling works and foundation reinforcement.

Super blunt tool

Forging shovel

Integrated Round Tamping Plate

Post Driver Chisel

6. Hard Core Chisel

Structure: High-hardness alloy core with tough outer layer.
Advantages: 2–3 times longer lifespan than ordinary chisels, suitable for high-wear, high-intensity continuous operations.

Hard Core Chisel

Why Choose Haichen Machinery

Direct Manufacturing: Full-range hydraulic breaker chisels, supporting OEM and customization.
International Certification: Materials and processes meet ISO and CE standards.
Complete Range: Standard + special-condition types fully covered.
Global Service Network: Covering major markets in Asia, Europe, Africa, and the Americas.
Dealer Support: Pricing policies, technical training, and complete marketing materials.

Contact Us

WhatsApp / WeChat: +86 18028559971
Email: sales@haichen.odoo.com
Website: www.haichen.co

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# Equipment Selection Guide

HaiChen Machinery, Eric·Gavin September 6, 2025