oil well drilling stabilizer

Integral 3-spiral Blade Stabilizer, Integral 4-Spiral Blade Stabilizer (string type, near bit type). Made from AISI 4145 H or AISI 4145 H Modifield Alloy Steel and Non-mag material. Heat treated to 285-341 Brinell Hardness and 54 Joules minimum impact value.hardfacing HF1000-4000. Connections are cold-rolled, phosphatized, coated and equipped with thread protectors. These are gauged to API standards. Sizes: 6 OD up to 28 ODtechinical specification and parameters. O.D. of Bit (in)O.D.of WorkingThread code on two endsDrill string typeNear bit typeTop endDown endTop endDown end6, 6 1/4, 6 1/2152.4 158.7 165.1NC38NC38NC383 1/2" REG7 1/2, 7 7/8190.5 200.0NC46NC46NC464 1/2" REG8 3/8, 8 1/2, 8 3/4212.7, 215.9, 222.2NC46, NC50NC46, NC50NC46, NC504 1/2" REG9 1/2, 9 5/8, 9 7/8241.3, 244.5, 250.8NC50NC50NC506 5/8" REG12 1/4311.2NC56, 6 5/8" REGNC56, 6 5/8" REGNC56, 6 5/8" REG6 5/8" REG17 1/2444.5NC61, 7 5/8" REGNC61, 7 5/8" REGNC61, 7 5/8" REGNC61, 7 5/8" REG26660.47 5/8" REG7 5/8" REG7 5/8" REG7 5/8" REG