Large Diameter Hole Opener Drill Bit\Reamer Bit

Large Diameter Hole Opener Drill Bit\Reamer Bit

Product description:

Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: Wanxiang
  • Model Number: Cover all IADC code
  • Type: Drill Bit, Hole Opener Bits
  • Machine Type: Drilling Equipment
  • Certification: API
  • Material: Tungsten carbide
  • Processing Type: Forging
  • Use: Well Drilling

Packaging & Delivery

Packaging Details: Wooden case or as customer's requirements
Delivery Detail: With in 7-10 days after receipt of payment


Large Diameter Reamer Bit
1. Steel tooth & TCI available
2. 6'-42 in diameter
3. Strict Quality Control System

hole opener drill bit

1. Hole openers are designed for the enlargement of pilot holes and large hole applications. They

are also used for road and river crossing application.

2. The hole openers are manufactured from AISI 4145H fully heat-treated alloy steel. All are available with carbide-milled teeth and insert cutters. Arms and cutters are hardfaced for protection in three different designs for varying conditions and rock formations. The design of the hole opener allows for field-changing the cutters. They has a wide range of hole opener types, including.

Cutting Structure

The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is three cone bit ( tricone bit ) .

Seal and Lubrication
High performance HNBR O-ring for bearing seal and advanced grease for lubrication.

Product Application
It is suitable for the large size well, mining and infrastructure applications.

Hole SizePilot HoleStandard Fishing Nick O.DThread Type
7-5/85-5/85-1/2~64-1/2 REG3-1/2 REG
8-1/25-5/85-1/2~64-1/2 REG3-1/2 REG
10-5/87-5/886-5/8 REG4-1/2 REG
12-1/48-1/286-5/8 REG4-1/2 REG
14-3/410-5/88~9-1/26-5/8 REG6-5/8 REG
1710-5/88~9-1/26-5/8 REG6-5/8 REG
17-1/210-5/88~9-1/26-5/8 REG6-5/8 REG
20158~9-1/26-5/8 or 7-5/8REG7-5/8 REG
24158~9-1/26-5/8 or 7-5/8REG7-5/8 REG
26158~9-1/26-5/8 or 7-5/8REG7-5/8 REG
36269-1/2~10-1/27-5/8 or 8-5/8REG8-5/8 REG
42269-1/2~10-1/27-5/8 or 8-5/8REG8-5/8 REG