Standard STS drill tube, supplied in various length as request

Thread: single or two start or four start, each section length: from 1 m to 6m. Chrome coated, HRC30,

Roughness of tube : Ra0.4-0.8

Drilled hole diameter mmTube OD mmTube codeDrilled hole diameter mmTube OD mmTube code24.1-26.422803280.0-291.927483426.4-28.724804292.0-303.928683528.7-31.026805304.0-315.929883631.0-33.328806316.0-327.931083733.3-36.230807328.0-339.9932283836.2-39.633808340.0-351.9933483939.6-43.036809352.0-363.9934684043.0-47.039810364.0-375.9935884147.0-51.743811376.0-387.9937084251.7-56.247812388.0-399.9938284356.2-65.051813400.0-411.9939484465.0-67.056814412.0-423.9940684567.0-73.062815424.0-435.9941884673.0-80.068816436.0-447.9943084780.0-87.075817448.0-459.9944284887.0-100.082818460.0-471.99454849100.0-112.094819472.0-483.99466850112.0-124.0106820484.0-495.99478851124.0-136.0118821496.0-507.99490852136.0-148.0130822508.0-519.99502853148.0-160.0142823520.0-531.99514854160.0-171.9154824532.0-543.99526855172.0-183.9166825544.0-555.99538856184.0-195.9178826556.0-567.99550857196.0-207.9190827568.0-579.99562858208.0-219.9202828580.0-591.99574859220.0-231.9214829592.0-604.99586860232.0-243.9226830604.0-615.99598861244.0-255.9238831616.0-627.99610862256.0-267.9250832628.0-639.99622863268.0-279.9262833640.0-651.99634864