What Are The Characteristics of DHD Drill Bits?

Issuing time:2026-03-21 18:04

DHD series: Most versatile, most economical, suitable for the vast majority of customers.


QL series: Excellent sealing, high efficiency, suitable for high-end applications.


Mission series: US standard, more common in some markets (Middle East/America).


Comparison table（DHD/QL/MISSION）


Model

DHD

QL

Mission

Source

Atlas Copco(classic standard）

Sandvik (optimized)

Mission (US standard)

Rsatility

Widest

High

Medium

Market

Highest

High

Medium

Energy Transfer Efficiency

High

High (Smoother)

Medium

Sealing Performance

Average

Best

Average

Service Life

High

High (More Stable)

Medium

Machining Accuracy Requirements

Medium

High

Medium

配图DHD.jpg

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