Home  >  Construction Machinery  >  Engineering & Construction Machinery  >  Pile Driver

very high precision, tolerance +/- 2mm, thick3-50mm,, OD80-2500,, all materials ok,, tapered Dia, variable pitch available. - details see: https://www.machineto.com/helicoid-blade-for-rig-10113131

Type: endless (continuouse) / segment (sectional) / tapered diameter / variable pitch / notched / stainless / wearable steel etc.

Usage: screw conveyor / harvester / mixer / seperation equipment / sewage treatment equipment / waster water treatment / piling / ground drilling / ice drilling / rig etc.

Any screw flight size coming in the range of the following table can be supplied.

Cold rolled continuous screw flightMaterial: carbon steel

inner plate thickness(mm)	Min ID (mm)	Max OD(mm)	Max (OD-ID)/2 no more than (mm)	Ratio of Pitch and OD	Ratio of OD and ID
3	20	500	165	0.6-1.3	4.0
3.5	20	500	165	0.6-1.3	4.0
4.5	28	500	165	0.75-1.3	4.0
5	28	500	165	0.8-1.3	4.0
6	40	500	165	0.8-1.2	4.0

Cold rolled segment equal edge thickness screw flightMaterial: Carbon steel, wearable steel and stainless steel

(mm) Pitch	(mm) Min ID	(mm) Max OD	Ratio of ID and OD(ratio)		(mm)Thickness
60~100	20	480	0.25		3~16
100~150	30	480	0.25		3~18
150~200	50	520	0.33		3~20
200~250	60	630	0.3		3~25
250~300	65	670	0.25		3~25
300~350	90	900	0.3		3~30
350~400	90	950	0.25		3~30
400~450	95	950	0.25		3~30
450~500	135	1150	0.33		3~35
500~550	150	1200	0.3		3~40
550~650	150	1200	0.3		3~40
650~750	200	1200	0.3		3~40
750~850	200	1250	0.28		3~40
850~900	250	1250	0.3		3~40