Description
Product Overview
The Jerax Tools M35 HSS reamer set is engineered for precision and durability in demanding applications. Made from M35 High-Speed Steel with added cobalt, this set offers enhanced strength and longevity compared to standard M2 steel, making it suitable for frequent use on stainless steel and other hard materials. The set includes four reamers in sizes 3/8″, 1/2″, 5/8″, and 3/4″, designed to fit standard shank chucks. Key specifications include a weight of 1.96 pounds, package dimensions of 8.5 x 6.14 x 2.91 inches, and a model number of JTTCR903. With a 4.6-star rating from over 100 reviews, it ranks highly in bridge and construction reamers, reflecting its reliability and performance in professional settings.

Usage
This reamer set is ideal for enlarging or aligning existing holes in materials such as mild steel, alloys, aluminum, wood, plastic, and fiberglass, commonly used prior to rivet or bolt installation. It is widely employed in bridge construction, metal fabrication, and general industrial projects where precise hole preparation is critical. Target users include professional contractors, metalworkers, and DIY enthusiasts who require tools that can withstand harsh conditions and deliver consistent results without failure.
Why Choose Us
Jerax Tools stands out by using premium M35 HSS material, which includes cobalt for increased toughness and resistance to wear, ensuring the reamers last longer under heavy use. The design incorporates spiral flutes that efficiently shear chips away from the operator and a safety collar to prevent over-penetration, enhancing stability and reducing the risk of accidents. This combination of high-quality materials and thoughtful engineering provides a competitive edge, offering professionals a tool that performs reliably in the most challenging environments, backed by positive customer feedback and a strong market ranking.
Key Features
- M35 High-Speed Steel with cobalt for superior strength and durability in harsh applications
- Spiral flutes designed to shear chips away from the operator for safer operation
- Safety collar stop to prevent over-penetration and maintain operator stability
- Tapered points that allow easy entry into overlapping holes for precise alignment
- Four-piece set covering common sizes to handle a variety of hole preparation tasks
FAQ
What materials can these reamers be used on?
These reamers are suitable for mild steel, alloys, aluminum, wood, plastic, fiberglass, and other materials of similar hardness, making them versatile for many industrial and construction applications.
How does the safety collar work?
The safety collar acts as a stop to prevent the reamer from penetrating too deeply into the material, which helps maintain operator control and reduces the risk of instability or damage during use.
What is the difference between M35 and M2 steel?
M35 steel contains more cobalt than M2, providing greater strength and durability, especially in demanding tasks like working with stainless steel or frequent use in tough conditions.
Are batteries or power sources required?
No, this reamer set is manually operated and does not require batteries or any power source, making it easy to use in various settings without electrical dependencies.
What sizes are included in the set?
The set includes four reamers: 3/8″ (fits 3/8″ shank chuck), 1/2″, 5/8″, and 3/4″ (fits 1/2″ shank chuck), covering common hole sizes for rivet and bolt installation.




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