Crosses - Import export

Bearing block and carriage aluminium alloy, anodised. Guide columns stainless steel, ground. Spindle stainless steel, rolled thread. Guide bearing maintenancefree. Version Radial play on guide < 0.02 mm. No axial backlash. Spindle selflocking, with additional lock. Note The almost playfree guides and absolutely playfree spindle allow for adjustment without the need to loosen or clamp the spindle. The scale graduation is in 5 or 10 increments; 1 increment corresponds to 0.1 mm of travel. The cross stage can be easily combined with positioning stages, vertical stages and other accessories of respective size by the modular principle.

Thermoplastic. DIN 7984 screws and DIN 985 nuts steel. Version: Black. Screws and nuts electro zinc-plated. Note: The standard size for round tubes is Ø18 mm or Ø30 mm. Use reducer sleeves 29042 if smaller tubes are to be clamped or a conversion from round to square tubes is required. On request: Plastic levers for locking. Accessory: - Reducer sleeves 29042 - Round and square tubes 29050

Saver Subs API specifications Connections from 2"3/8 to 7"5/8

Drillstar Industries can provide you with the full range of cross-overs and subs, with sizes up to 20" OD : - Straight OD subs. - Cross-Overs or reduced section subs. - Bit subs. - Saver subs - Rotary subs - Pup joints - etc. All our Cross-Overs and subs are made according to API specifications (7-1 and/or 5CT) and API standard features can be added (stress relief grooves, bores for API float valves, etc.) They can be fitted with the whole range of API drill stem (REG, API, etc.) and casing threads (STC, LTC, BTC...). VAM premium threads can also be used, as well as other special connections (Hydril FJWP, etc.) Our subs are fully machined from certified AISI 4145H alloy steel. Other materials such as non-magnetic steel, inconel, monel, stainless steel, aluminium, titanium, etc. can be used.