DTH Drilling Hole Opener Enlarge Reaming Bit

• Customization: Available
• Type: Drill Tools
• Certification: CE, ISO9001: 2000, API
• Model NO.: DHD, MISSION, SD, QL, NUMA
• Diameter: 165-1200mm
• Material: Tungsten Carbide, High Manganese Steel
• Processing Type: Forging
• Use: Well Drilling,Coal Mining,Quarry Drilling
• Transfer: Air/Sea/Express
• Color: Request
• Advantage: High Performance
• Product Name: Down The Hole (DTH) Hole Opener
• Face Design: Flat;Convex;Concave
• Inserts Design: Spherical; Ballistic; Parabolic
• Transport Package: Wooden Box or as Customers Inquire
• Specification: 165-1200mm
• Trademark: PANDA
• Origin: Shandong China
• HS Code: 82071990
• Production Capacity: 2000 Pieces / Week

Product Description

Product Description:

DTH hole openers are used to enlarge the size of a pilot hole most commonly used in industrial applications. Benefits of drilling a smaller pilot hole and then using a hole opener are:

Wear pads, back reamer buttons, and or buttons on the pilot can be added for an additional fee.

The ability to use less powerful equipment than that required to drill the large diameter hole.

All Hole Openers are manufactured from the highest quality aircraft alloy steel.

Straigher holes result from the smaller pilot hole.

Better clearing of cut material.

Pandadrill has a large variety of Hole Openers on the shelf, offers a full line of standard and custom Hole Openers in all sizes (from 2 3/4" thru 36") for all industry hammer shanks

Specification:

OPENER DIAMETER(MM)	HEAD DIAMTER (MM)	GAUGE	FRONT	SHANK
	82	14	14	DHD340 SD4 COP42
178	99	16	14
190	115	16	14	DHD350 SD5 COP52
216	138	16	14
254	159	16	14	DHD360 SD6 COP62
305	208	16	16
381	296	16	16	SD10 NUMA100
445	305	18	16
482	311	18	16	SD12 NUMA120
660	445	19	18

PANDADRILL can make all sizes according to your request.

Different Shanks:


Different Buttons Shapes:






FAQ:

Q1: Can I have a sample for testing?

A:Samples are still to be paid but discounted price can be provided. 

Q2: Do you have the inspection procedures?

A:100% strict inspection and testing for every order before packing.

Q3: How can i get the after sale services?

A:Free replacement will provide once the problems casued by our product quality.

Q4: Can I have a visit to your factory before the order?
 

A: Sure, welcome, here is our address: Yantai, Shandong.

CONTACT: