牙轮钻头是使用最广泛的一种钻头。牙轮尊头工作时切削齿交替接触井底,破岩扭矩小,切削齿与井底接触面积小,比压高,易于吃入地层;工作刃总长度大,因而相对减少磨损。牙轮钻头能够适应从软到坚硬的多种地层。
iadc code
(可供型号)
116, 117, 126, 127, 136, 137, 216, 217, 226, 236, 316, 317, 326, 327, 336, 337, 115, 125, 135,
215, 225, 235, 315, 325, 335, 114, 124, 214, 314, 111, 121, 131,346, 347,
417, 427, 437, 517, 527, 537, 617, 627, 637, 737, 837, 415, 425, 435, 445, 525, 625, 635, 416,
446, 447, 516, 526, 537, 547, 516, 536, 535.
available sizes
(可供尺寸)
3’’ 3 3/8’’ 3 1/2’’ 3 7/8’’ 4 1/2’’ 4 5/8’’ 4 3/4’’ 5 1/4’’ 5 1/2’’ 5 5/8’’ 5 3/4’’ 5 7/8’’ 6’’ 6 1/4’’ 6 1/2’’
6 3/4’’ 7 1/2’’ 7 5/8’’ 7 7/8’’ 8 1/2’’ 8 3/4’’ 9 1/2’’ 9 5/8’’ 9 7/8’’ 10 5/8’’ 11 5/8’’ 12 1/4’’ 13 5/8’’ 14 3/4’’ 15 1/2’’ 16’’ 17 1/2’’ 20’’ 22’’ 24’’ 26’’
advantage
(优势)
most attractive price and quality
bearing
(轴承类型)
sealed bearing and non-sealed bearing
(密封轴承与非密封轴承)
hj(metal sealed journal bearing)
(金属密封轴承)
ha(rubber sealed journal bearing)
(橡胶密封轴承)
formation
(适用地层)
soft, medium soft, hard, medium hard, very hard
(软,中软,硬,中硬,坚硬)
button sizes
(extra features)
(齿形)
button bit, saw teeth(齿的形状)
1)y-conical teeth(锥形齿)
2)x-chisel teeth(楔形齿)
3)k-spherical teeth (球形齿)
4)g-gauge protection(保径)
手机:13343071035(微信同号)
固话:5581661
在线qq:2790925421
联系人:李芳
河间市佰纳斯钻头制造有限公司
13930756173
中国 沧州