고정측

볼스크류 외경 (mm)	고정측
	EK	BK	AK	FK	CK
Ø6	EK-4			FK-4
Ø8	EK-5/EK-6	BK-6		FK-5/FK-6
Ø10, Ø12	EK-8	BK-8	AK-8	FK-8	CK-8
Ø10, Ø12, Ø15	EK-10	BK-10	AK-10	FK-10	CK-10
Ø14, Ø15, Ø16, Ø18	EK-12	BK-12	AK-12	FK-12	CK-12
Ø20	EK-15	BK-15	AK-15	FK-15	CK-15
Ø25, Ø28		BK-17		FK-17
	EK-20	BK-20	AK-20	FK-20
Ø30, Ø32, Ø36	EK-25	BK-25		FK-25
Ø40		BK-30		FK-30
Ø45		BK-35		FK-35
Ø50~Ø55		BK-40		FK-40

지지측

볼스크류 외경 (mm)	지지측
	EF	BF	AF	FF	CF
Ø6
Ø8	EF-6	BF-6		FF-6
Ø10, Ø12	EF-8	BF-8	AF-8	FF-8	CF-8
Ø10, Ø12, Ø15	EF-10	BF-10	AF-10	FF-10	CF-10
Ø14, Ø15, Ø16, Ø18	EF-12	BF-12	AF-12	FF-12	CF-12
Ø20	EF-15	BF-15	AF-15	FF-15	CF-15
Ø25, Ø28		BF-17		FF-17
	EF-20	BF-20	AF-20	FF-20
Ø30, Ø32, Ø36	EF-25	BF-25		FF-25
Ø40		BF-30		FF-30
Ø45		BF-35		FF-35
Ø50~Ø55		BF-40		FF-40