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Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools

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Dongying Oilman Machinery Equipment Co.,Ltd.

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Drill Bit Sub For Drilling Tools

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Brand Name :
Model Number :	All types
Certification :	API & ISO
Price :	USD100-1000/pc
Payment Terms :	L/C, T/T, Western Union, MoneyGram
Supply Ability :	500 pcs per month
Delivery Time :	20-30 days

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Product Details
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Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools

Description of crossover sub:

Crossover sub is mainly used to connect upper and lower drill tools in different connectors in drilling operations. Also it can be used to protect other tooling in drill stem (called saver sub) or be used to deliver outgoing air to the bit face just above the bit (called bit sub).

The length of crossover subs is generally measured from shoulder to shoulder. Typical lengths range from 6" - 28" long going up in increments of 2 inches with AISI 4145H, AISI 4145H Mod, AISI 4340, AISI 4140-4142 and Non-magnetic material. All connections are phosphate-coated or copper plated to improve resistance to corrosion. Crossover subs come in three basic types: A Pin (male) * Box (female); B Pin (male) * Pin (male); C Box (female) * Box (female)

API Drilling Crossover Sub

Description	Upper Connection Part	Lower Connection Part	Type
Kelly cross-over sub	Kelly	Drill pipe	A or B
Drill pipe cross-over sub	Drill pipe	Drill pipe	A or B
Interim cross-over sub	Drill pipe	Drill collar	A or B
Drill collar cross-over sub	Drill collar	Drill collar	A or B
Drill bit cross-over sub	Drill collar	Drill bit	A or B
Swivel cross-over sub	Swivel lower sub	Kelly	C
Fishing cross-over sub	Kelly	Drill pipe	C
Fishing cross-over sub	Drill pipe	Fishing tools	C
Crossover sub can be customized as per customer's design.

Mechanical Properties

O.D. Range	Min. Yield Strength	Min. Tensile strength	Elongation Min.	Min. Brinell Hardness

3.1/2 THRU 6.7/8	760Mpa	965Mpa	13%	285

7 THRU 10	690Mpa	930Mpa	13%	277

If any needs, pls contact us freely:

Dongying OilMan Machinery Equipment Co.

Address: North Two Road, Dongying City, Shandong Province, China.

Mob/whats app/we chat:+86 13475294399

*Email: christal@oilmancn.com

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Dongying Oilman Machinery Equipment Co.,Ltd.

Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools

Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools

Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools

Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools

Description of crossover sub:

AISI 4340 Drill String Components

X Over Subs

7 THRU 10 X Over Subs

Drill Rod Adapter Crossover Sub/X-Over Subs/Saver Sub/Drill Bit Sub For Drilling Tools