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Hjg Thread Button Bits Br-1 Flat Face Bit
2025-04-13
introduction 4520
BR-1
Drilling Machine
Tungsten Carbide
Well Drilling
New
Pneumatic
Flat/Drop Centre
Spherical/Ballistic/Conical
R Thread/T Thread
Drilling Bit
HJG
Poly Wood
SGS ISO
CHINA
8207199000
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