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4-Wing Spiral Concave PDC Drill Bit for Water Well & Engineering

Spiral Cuttings Flow Combined with Concave Guidance4-Wing Spiral Concave PDC Drill Bit A four-wing spiral concave PDC drill bit designed to combine directional stability with efficient cuttings flow. Key Advantages...
Size: 95.3 mm / 3 3/4"
Connection: Male Thread

Spiral Cuttings Flow Combined with Concave Guidance

Spiral Cuttings Flow Combined with Concave Guidance 4-Wing Spiral Concave PDC Drill Bit A four-wing spiral concave PDC drill bit designed to combine directional stability with efficient cuttings flow. Key Advantages Spiral blade channels support flushing and cuttings removal. Concave profile helps guide the bit during drilling. Four-wing layout balances cutting efficiency and stability. Recommended...

Design Advantage 1

Spiral blade channels support flushing and cuttings evacuation.

Design Advantage 2

The recessed center helps guide the bit and stabilize the cutting face.

Design Advantage 3

Four-wing layout balances cutting efficiency and stability.

Actual Product Views

Technical Specifications

Product typeFour-wing spiral concave coreless PDC drill bit
Cutting structureFour spiral blades with concave center and fixed PDC cutters
Primary applicationsWater wells, geological exploration, mining and engineering drilling
Recommended formationsSoft to medium formations; cutter and flushing design require project confirmation
Size95.3 mm / 3 3/4" · 114.3 mm / 4 1/2" · 149.2 mm / 5 7/8" · 165.1 mm / 6 1/2" · 200.0 mm / 7 7/8" · 215.9 mm / 8 1/2" · 244.5 mm / 9 5/8" · 250.8 mm / 9 7/8" · 311.2 mm / 12 1/4" · 323.9 mm / 12 3/4" · Custom Size
ConnectionMale Thread · Female Thread
ConnectionThreaded connection matched to the customer's drill string
CustomizationDiameter, connection, cutter layout, waterways, hardfacing, color, logo and packaging

Selection and Operating Guidance

Recommended when

  • The cutting structure matches the required drilling method.
  • Formation and flushing details can be supplied for review.
  • A customized diameter or connection is required.

Confirm before ordering

  • Required diameter and thread connection
  • Formation hardness, abrasiveness and fracture condition
  • Rig model, drilling method, target depth and quantity

Fast Quote Checklist

Send diameter, thread/connection, formation description, target depth, rig model, flushing method and quantity. Photos or geological reports improve configuration accuracy.