What is the working principle of diamond core bits? The drill bit that makes the cutting edge is called a diamond core bit. The drill bit is an integrated drill bit. The entire drill bit has no moving parts. The structure is relatively simple, with high strength, high wear resistance and impact resi
What kinds of drill pipe can be divided into? The drill pipe is a steel pipe with thread on the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device located at the bottom end of the drilling well. The purpose of t
How to classify core barrels? A section of pipe connected to the upper part of the drill bit to accommodate and protect the core during core barrel. This article will introduce the classification of core barrel. This article contains the following:n What is core barrel?n Single layer core barreln do
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Blade/Bullet Cutterhead
ROSCHEN
ROS-AD-Blade/Bullet
Product Description
Bullet Cutterhead Blade Cutterhead Spade Cutterhead
Blade/Bullet Cutterhead
Our Blade/Bullet Cutterhead features both our Blade Cutters and our Bullet Cutters. It is most effective in soft to medium formations such as clay, hard sandstone, and hard shale.
Description | Lbs. | Kg. |
3 1/4″ (83mm) DK Blade/Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 14 | 6.4 |
6 1/4″ (159mm) DK Blade/Bullet Cutterhead – 11″ (279mm) O.D. | 28 | 12.7 |
4 1/4″ (108mm) DK HD Blade/Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
4 1/4″ (108mm) DK Blade/Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
3 3/4″ (95mm) DK HD Blade/Bullet Cutterhead – 8 1/2″ (216mm) O.D. | 20 | 9.1 |
3 3/4″ (95mm) DK Blade/Bullet Cutterhead – 8 1/2″ (216mm) O.D. | 20 | 9.1 |
4 1/4″ (108mm) TK HD Blade/Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
4 1/4″ (108mm) TK Blade/Bullet Cutterhead – 8 3/4″ (222mm) O.D. | 18 | 8.2 |
3 1/4″ (83mm) TK Blade/Bullet Cutterhead – 7 1/2″ (190mm) O.D. | 14 | 6.4 |
8 1/4″ (210mm) DK HD Blade/Bullet Cutterhead – 13″ (330mm) O.D. | 40 | 18.1 |
7 1/4″ (184mm) DK HD Blade/Bullet Cutterhead – 12″ (310mm) O.D. | 38 | 17.2 |
6 1/4″ (159mm) DK HD Blade/Bullet Cutterhead – 11″ (279mm) O.D. | 28 | 12.7 |
6 5/8″ (169mm) TK Blade/Bullet Cutterhead – 11 1/2″ (292mm) O.D. | 33 | 15 |
6 5/8″ (169mm) TK HD Blade/Bullet Cutterhead – 11 1/2″ (292mm) O.D. | 34 | 15.4 |
8 1/4″ (210mm) TK HD Blade/Bullet Cutterhead – 13″ (330mm) O.D. | 40 | 18.1 |
10 1/4″ (260mm) TK HD Blade/Bullet Cutterhead – 15″ (381mm) O.D. | 55 | 24.9 |
12 1/4″ (311mm) TK HD Blade/Bullet Cutterhead – 17 3/4″ (451mm) O.D. | 69 | 31.3 |
Spade Cutterhead
Description | Lbs. | Kg. |
2 1/4″ (57mm) DK Spade Cutterhead – 6 1/2″ (165mm) O.D. | 10 | 4.5 |
3 1/4″ (83mm) DK Spade Cutterhead – 7 1/2″ (190mm) O.D. | 12 | 5.5 |
3 3/4″ (95mm) DK Spade Cutterhead – 8 1/2″ (216mm) O.D. | 20 | 9.1 |
3 3/4″ (95mm) DK HD Spade Cutterhead – 8 1/2″ (216mm) O.D. | 20 | 9.1 |
4 1/4″ (108mm) DK Spade Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
4 1/4″ (108mm) DK HD Spade Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
6 1/4″ (159mm) DK Spade Cutterhead – 11″ (279mm) O.D. | 22 | 10 |
6 1/4″ (159mm) DK HD Spade Cutterhead – 11″ (279mm) O.D. | 22 | 10 |
7 1/4″ (184mm) DK HD Spade Cutterhead – 12″ (310mm) O.D. | 33 | 15 |
8 1/4″ (210mm) DK HD Spade Cutterhead – 13″ (330mm) O.D. | 35 | 15.9 |
3 1/4″ (83mm) TK Spade Cutterhead – 7 1/2″ (190mm) O.D. | 12 | 5.5 |
4 1/4″ (108mm) TK Spade Cutterhead – 8 3/4″ (222mm) O.D. | 14 | 6.4 |
4 1/4″ (108mm) TK HD Spade Cutterhead – 8 3/4″ (222mm) O.D. | 20 | 9.1 |
6 5/8″ (169mm) TK Spade Cutterhead – 11 1/2″ (292mm) O.D. | 25 | 11.8 |
6 5/8″ (169mm) TK HD Spade Cutterhead – 11 1/2″ (292mm) O.D. | 26 | 11.8 |
8 1/4″ (210mm) TK HD Spade Cutterhead – 13″ (330mm) O.D. | 35 | 15.9 |
10 1/4″ (260mm) TK HD Spade Cutterhead – 15″ (381mm) O.D. | 48 | 21.8 |
12 1/4″ (311mm) TK HD Spade Cutterhead – 17 3/4″ (451mm) O.D. | 74 | 33.6 |
Blade Cutterhead
Our Blade Cutterhead features carbide-tipped Blade Cutters, most effective in soft to medium/soft formations such as dirt, clay, mild sandstone, and light shale.
Description | Lbs. | Kg. |
3 1/4″ (83mm) DK Blade Cutterhead – 7 1/2″ (190mm) O.D. | 11 | 5 |
3 3/4″ (95mm) DK Blade Cutterhead – 8 1/2″ (216mm) O.D. | 16 | 7.3 |
3 3/4″ (95mm) DK HD Blade Cutterhead – 8 1/2″ (216mm) O.D. | 16 | 7.3 |
4 1/4″ (108mm) DK Blade Cutterhead – 8 3/4″ (222mm) O.D. | 16 | 7.3 |
4 1/4″ (108mm) DK HD Blade Cutterhead – 8 3/4″ (222mm) O.D. | 16 | 7.3 |
6 1/4″ (159mm) DK Blade Cutterhead – 11″ (279mm) O.D. | 23 | 10.4 |
6 1/4″ (159mm) DK HD Blade Cutterhead – 11″ (279mm) O.D. | 23 | 10.4 |
7 1/4″ (184mm) DK HD Blade Cutterhead – 12″ (310mm) O.D. | 33 | 15 |
8 1/4″ (210mm) DK HD Blade Cutterhead – 13″ (330mm) O.D. | 35 | 15.9 |
3 1/4″ (83mm) TK Blade Cutterhead – 7 1/2″ (190mm) O.D. | 11 | 5 |
4 1/4″ (108mm) TK Blade Cutterhead – 8 3/4″ (222mm) O.D. | 12 | 5.4 |
4 1/4″ (108mm) TK HD Blade Cutterhead – 8 3/4″ (222mm) O.D. | 16 | 7.3 |
6 5/8″ (169mm) TK Blade Cutterhead – 11 1/2″ (292mm) O.D. | 28 | 12.7 |
6 5/8″ (169mm) TK HD Blade Cutterhead – 11 1/2″ (292mm) O.D. | 29 | 13.2 |
8 1/4″ (210mm) TK HD Blade Cutterhead – 13″ (330mm) O.D. | 35 | 15.9 |
10 1/4″ (260mm) TK HD Blade Cutterhead – 15″ (381mm) O.D. | 52 | 23.6 |
12 1/4″ (311mm) TK HD Blade Cutterhead – 17 3/4″ (451mm) O.D. | 80 | 36.3 |
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com