Hook Wrench Reference

Special Wrench for NIKKI Precision Locknut

With our custom-made wrench, the assembly is more convenient and accurate! NIKKI’s Wrench effectively prevents a single point of applied force as compared to using a hook wrench.

NIKKI Precision Locknut Type		Hook Wrench size(mm)	NIKKI Precision Locknut Type	Hook Wrench size (mm)

MF	MR	OUTER DIAMETER	MKR	OUTER DIAMETER
	MR6~MR10	16-20	MKR10	20-22
	MR12~MR15	25-28	MKR12	25-28
MF12	MR17	30-32	MKR14~MKR15	30-32
MF15~MF17	MR20	34-36	MKR16~MKR18	34-36
MF20			MKR20~MKR24	40-42
MF25	MR25	40-42	MKR25~MKR32	45-50
MF30	MR30	45-50	MKR35	52-55
MF35	MR35	52-55	MKR38~MKR42	58-62
MF40	MR40	58-62	MKR45~MKR55	68-75
MF45	MR45		MKR58~MKR65	80-90
MF50~MF55	MR50~MR55	68-75	MKR68~MKR75	95-100
MF60~MF65	MR60~MR65	80-90	MKR80~MKR85	110-115
MF70	MR70		MKR90~MKR100	120-130
MF75	MR75	95-100	MKR105~MKR115	135-145
MF80	MR80		MKR120~MKR130	155-165
MF85	MR85	110-115	MKR140~MKR150	180-195
MF90	MR90		MKR160~MKR170	205-220
MF100	MR100	120-130	MKR180~MKR200	230-245
MF110	MR110	135-145
MF120~MF130	MR120~MR130	155-165
MF140~MF150	MR140~MR150	180-195
MF160~MF170	MR160~MR170	205-220
MF180~MF190	MR180~MR190	230-245
MF200	MR200
		260-270
		280-300
		300-320
		320-345
		350-375
		380-400
		480-500