90mm DHD3.5-90 DTH Drill Bit with Premium PDC Cutters for Quarrying & Construction Drilling

90mm DHD3.5-90 DTH Drill Bit with Premium PDC Cutters for Quarrying & Construction Drilling :

Product Specification

·    Bit Type: DTH Hammer Bit

·    Code No.: DHD3.5-90

·    Diameter: 90 mm

·    Shank Type: DHD3.5

·    Air Holes: 2

·    Gauge Buttons: 6 × φ16mm

·    Face Buttons: 5 × φ12mm

·    PDC cutter Type: Parabolic (Semi-ballistic) PDC Cutters

·    PDC Cutter Function: Gauge Protection & Improved Hole Quality

·    Face Design: Flat

·    Application: Water Well Drilling, Mining, Construction

The embedded PDC cutter configuration improves drilling stability and extends bit life, making this model ideal for quarrying, construction drilling, utility installation, and other small-diameter rock drilling projects where precision and durability are important.

Product Description

The DHD3.5-90 DTH hammer bit features a flat face design with 11 parabolic (semi-ballistic) carbide buttons and DHD3.5 shank. Engineered for water well, mining, and construction drilling, it delivers high penetration rates in medium abrasive and hard formations with high air pressure.

Embedded PDC Cutters for Small-Diameter Precision Drilling

The DHD3.5-90 DTH drill bit is equipped with strategically embedded premium PDC cutters to improve gauge protection and drilling consistency in small-diameter boreholes. The reinforced cutting structure helps reduce gauge wear while maintaining stable drilling performance in abrasive and fractured rock formations.

Designed for quarrying, construction drilling, and general rock excavation, this compact DTH drill bit combines durable carbide buttons with embedded PDC cutters to achieve efficient rock breaking and dependable hole quality. Its optimized structure supports smooth drilling progress, lower tool wear, and extended service life, making it a reliable choice for contractors seeking productivity and cost-effective drilling performance.

Features

·    Flat Face Design – Universal design, especially for hard and abrasive rock formations. Suitable for hard to very hard and abrasive rock with high air pressure. Delivers good penetration rates and resistance to steel wash.

·    Parabolic (Semi-Ballistic) Carbide Buttons – Suitable for medium abrasive and hard formations. Used as gauge buttons and face buttons for balanced cutting action and excellent penetration rates.

·    Optimized Button Layout – 6 gauge buttons (φ16mm) & 5 face buttons (φ12mm) for efficient rock cutting and long service life.

·    DHD3.5 Shank Type – Compatible with DHD3.5 series DTH hammers for reliable performance.

·    Versatile Applications – Suitable for water well drilling, mining, and construction.

Advantages of Embedded PDC Cutters

·    Embedded premium PDC cutters for enhanced gauge protection

·    Compact design for small-diameter drilling applications

·    Stable drilling performance in fractured and abrasive rock

·    Durable carbide buttons for reliable impact resistance

·    Reduced bit wear and longer service life

·    Suitable for quarrying, construction, and general rock drilling