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Drill rod body with high pressure seamless alloy steel pipe, spiral blade choose t steel with high abrasion resistance. Prestressed winding welded.
tool joints are used for high quality carbon alloy steel vacuum thermal treatment, high pressure molding. products adopt four or six square fast connection, when use it,the spring pin automatic lock. Equipped with u or half ring out of stock, the optimal torque of drill pipe, equipped with u or half ring out of stock, output torque of drill rod to achieve the optimal state. This series products are mainly used with a portable or handheld drill, drill rod with light weight, quick connect, slag discharge speed, greatly improving the work efficiency, so we called high efficiency spiral drill rod. Widely used in deep ground water exploration drilling construction of near coal seam gas coal bed geological conditions, divided into the water type and no water type.
no. screw directly diameter of rod body length joint dimension theory torque n.m
1 Ñ„28 Ñ„18 500-3000 f12x48 150-200
2 Ñ„30 Ñ„18 500-3000 f12x48 150-200
3 Ñ„32 Ñ„18 500-3000 f12x48 150-200
4 Ñ„38 Ñ„21 500-3000 f14x5080 100-350
5 Ñ„40 Ñ„21-22 500-3000 f14x5080 100-350
6 Ñ„42 Ñ„22 500-3000 f13x80 200-350
7 Ñ„69 Ñ„25-27 500-3000 f18x6085 250-350
8 Ñ„69 Ñ„25-27 500-3000 b20x90 350-450
9 Ñ„75 Ñ„32-42 500-3000 f24x85 350-450
10 Ñ„89 Ñ„32-50 500-3000 f26x4590 350-450
11 Ñ„98 Ñ„73 500-3000 b45x100 10000-12000
12 Ñ„113 Ñ„63-73 500-3000 b45x100 8000-12000
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