Lastest News

Learn what top hammer drilling is, how it works, and how to maximize performance. Explore RockHound’s advanced 45CrNiMoV bit bodies, 23CrNiMo rods, 20-hour heat treatment process, and field-proven results from mines in Chile and Hebei.

Discover why 45CrNiMoVa alloy steel and YK05 carbide outperform standard grades including 42CrMo and 20CrNi2Mo. Compare case depth, core toughness, and cost-per-meter ROI for Top Hammer mining and quarry drilling operations.

Compare Speed MF Rod vs Extension Drill Rod for top hammer drilling. Same 23CrNiMo steel & 20-hour carburization — but very different performance. Expert guide by RockHound.

Learn what an extension drill rod is, how Round Rods and Speed MF Rods differ, what materials are used, and how to select the right threaded drill steel for your operation. A technical guide by RockHound.

Discover the 5 most common tapered drill rod problems — from taper wear and rod bending to fatigue breakage — with field-proven solutions and expert maintenance tips from RockHound to maximize drilling efficiency and tool service life.

Compare RockHound’s 23CrNiMo vs Sandvik Sanbar 64 drill rod steel. Understand the metallurgical differences, heat treatment hardness data, and real iron mine field test results for top hammer drilling.

RockHound’s complete guide to top hammer drill bits — compare Standard, Retrac, and Cross-Type bit structures, Flat Face vs. Drop Center face designs, and Spherical vs. Ballistic button shapes. Optimize ROP, hole straightness, and Cost per Meter in granite, basalt, and quartzite.

H22 vs H25 tapered drill rod — what’s the real difference? Compare hex sizes, steel grades (23CrNi3Mo vs 55SiMnMo), impact energy compatibility, and rock hardness ratings to find the right tapered drill steel for your mining or quarrying operation.

RockHound explore the most recognized global manufacturers of top hammer drilling tools in 2026. Application include mining, tunneling, and construction.

How does RockHound’s 20-hour case carburizing process extend button bit and drill rod service life? Explore the materials science behind 45CrNiMoV and 23CrNi3Mo.

Master the heat treatment process for 45CrNiMoV threaded button bits. Learn critical quenching, tempering, and atmosphere control tips to enhance rock drilling tool durability and wear resistance.

Discover how high-precision machining of thread button bit body—from thread accuracy to stress relief—optimizes energy transfer and extends tool life in rock drilling.