BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Main Shaft / Quill

Assembly

Hollow drive stem transmitting torque and hoisting load to the drill string while passing mud through its bore. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Shaft / Quill parts and their functions

6 top-level parts · 9 parts in total · full bill of materials below
Main Shaft / Quill parts diagram: 1 drive stem, 2 load collar, 3 ball bearing, 4 wash pipe tube, 5 oil seal, 6 s-pipe / gooseneck. 9 parts in 6 top-level items.
Main Shaft / Quill parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Drive Stem 1× hollow drive stem
2 Load Collar 1× load-bearing collar
3 Ball Bearing 1× main thrust bearing
4 Wash Pipe Tube 1× wash pipe tube
5 Oil Seal 4× wash pipe packing seal
6 S-Pipe / Gooseneck 1× S-pipe / gooseneck

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Main Shaft / Quill

6 top-level lines · 6 rows shown · 9 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Drive Stem drilling-top-drive-drive-stem 1× 1 · part
2 Load Collar drilling-top-drive-load-collar 1× 1 · part
3 Ball Bearing ball-bearing 1× 1 · part
4 Wash Pipe Tube drilling-top-drive-wash-pipe-tube 1× 1 · part
5 Oil Seal oil-seal 4× 4 · part
6 S-Pipe / Gooseneck drilling-top-drive-gooseneck 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

Where the main shaft / quill is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks