Chisel Bits
Tapered Connection(6º,7º,12º)
Tip Size D Diameter (mm)X Tapered(º)
d x a Part No.
inch
13/16 14x3º SY20314
15x4º SY20415
13/11 22x6º SY30622
…
1. Drag Bits are made according to API Standard or NROD Thread standard or others.
2. Various Step and chevron Drag bits are available from 2inch to 17 1/2 Inch.\
3. There are big markets in USA,Can…
D TYPE STEEL BITS
THREAD CONNECTION
Tip Size D D Thread Part No.
Inch
1-3/4 D30 1-1/50 SFS45D30
1-7/8 D30 1-1/50 SFS48D30
2 D30 1-1/50 SFS51D30
2-1/4 D30 1-1/50 SFS57D30…
SHANK ADAPTER
ROCK DILL TYPE
DIMENSIONS ,MM THREAD D L PART NO. PART NO.OF SANDVIK AND ATLAS COPCO(* )
R32 45 340 5854B-R3234 7804-3575-01
T45 45 600 5860-T4560 7305-7532-01
T45 51.8 670…
1、When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
2、When the required depth is reached, rotation is r…
The series HD hammer developed and manufactured by Changsha heijinGang Co.,Ltd is one of the most advanced valveless high air press DTH hammer in China.
It has following advantages:
1. Deliver maxi…
Thrust ball bearings are separated-bearing structure in accordance with its thrust ball into one-way and two-way thrust ball bearings. One-way thrust ball bearings can withstand a direction of the axi…
TAPER CONNECTION
Tip size D Head tipe Flushing Holes Numbers Diameter(mm) x Tapered(0)
d x a Brt No.
INCH Front Side
1-1/8 A1 1 1 22X120 S5B28T1222
1-3/16 A2 1 2 22X60 S4B30T62…
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea