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Features

Specifications

Model NO: NMLC HMLC

Length: A B N H P S

Type: Core Drill Bit

Material: Diamond

Usage: Deep Hole Hard Rock Core Drilling

Specification: NMLC HMLC

Origin: China

Highlight:

hard rock diamond core bits

hard rock diamond drill core bits

Basic Infomation

Place of Origin: Hebei,China

Brand Name: Aoxing

Certification: ISO9001

Model Number: Nmlc Hmlc

Payment & Shipping Terms

Supply Ability: 300 Piece/Month

Gallery

Nmlc Hmlc Double Diamond Core Bits

Product Description

Nmlc Hmlc Double Diamond Core Bits

1. Impregnated Diamond Bit: Special mental coated diamonds to extend the diamond working life.

2. Matrix Height: 15mm, provide better drilling speed and drilling life.
3. Drill Bit Design: Standard V-ring, Face discharge, Flat face, etc.
4. Bit Series: Choose appropriate bit series to matched rock formation better,

MLC/WG/WM Bit

No.	Std.	Item	OD*ID(mm)	Crown Height	SN.
1	NMLC	diamond bit	75.3*52.0	C6 C9 C12	K3 K5 K7 K9
2	HMLC	diamond bit	98.8*63.5	C6 C9 C12	K3 K5 K7 K9
1	AWG	diamond bit	47.6*30.1	C6 C9	K3 K5 K7 K9
2	BWG	diamond bit	59.5*42.0	C6 C9	K3 K5 K7 K9
3	NWG	diamond bit	75.3*54.7	C6 C9	K3 K5 K7 K9
4	NWM	diamond bit	75.3*54.7	C6 C9	K3 K5 K7 K9

JP/YP Bit

No.	Std.	Item	OD*ID(mm)	Crown Height	SN.
1	YP36	diamond bit	36.5*21.5	C6 C9	K3 K5 K7 K9
2	YP47	diamond bit	46.5*29.5	C6 C9	K3 K5 K7 K9
3	JP75	diamond bit	75.3*54.5	C6 C9	K3 K5 K7 K9
4	JP95	diamond bit	95.0*63.0	C6 C9	K3 K5 K7 K9
5	JP110	diamond bit	111.0*79.0	C6 C9	K3 K5 K7 K9
6	JP130	diamond bit	131.0*94.0	C6 C9	K3 K5 K7 K9

Attention:

1.The difference between the outer diameter of the bit and the reamer should be reasonable, the outer diameter of the reamer

is 0.3-0.5mm larger than the outer diameter of the bit, and the hard formation should not more than 0.3mm.

2.When the new bit reaches the bottom of the hole light pressure (1/3 of the normal pressure),

slow turn (about 100rimin), and then continue drilling with normal parameters after the initial grinding for 10 minutes.

3.When drilling in soft rock layer, the pressure should be reduced appropriately. When drilling in intact, medium-hard orhard

rock formations, the pressure on bit should be appropriately increased; When drilling in fractured, fractured and heterogeneous

rock formations, the pressure on bit should be appropriately reduced, generally by 25%-50%.

How to choose the hardness of bit

HQ High Efficiency Turbo Profile Impregnated Diamond Core Bit New Forging Drilling Tool Drilling Bit for core drilling

Nmlc Hmlc Double Diamond Core Bits 1

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Tel :	+86-15132806565
Fax :	Hengshui Aoxing Metal Products C

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