Ball Plungers / Hexagon Socket Head / Cap Screw

Hex Head Cap ScrewHex Socket Head Cap ScrewThe incomplete threaded portion (Pitch × 2) is included in L dim.

 

Type			Body			Ball		Spring	Spacer	Operating Temperature
			[M] Material	[H] Hardness	[S] Surface Treatment	[M] Material	[H] Hardness	[M] Material	[M] Material
Light Load	Hex Screw	BPHL	EN 1.1191 Equiv.	29 to 35HRC	Black Oxide	EN 1.3505 Equiv.	55HRC or more	JIS−SWP−B	EN 1.4301 Equiv.	－30 to 80°C
Heavy Load		BPHH			Electroless Nickel Plating
Light Load	Hex Socket Head Cap Screw Hex Screw	BPRL	EN 1.7220 Equiv.		Black Oxide
Heavy Load		BPRH			Electroless Nickel Plating

 

Part Number		L Selection							d	S	A	B	B1	(C)	E	H	ℓ	Load (N)
Type	M																	BPHL·BPRL		BPHH·BPRH
																		min.	max.	min.	max.
(Hex Head Cap Screw) BPHL BPHH (Hex Socket Head Cap Screw) BPRL BPRH	4	*10	*15	*20		30			2.5	0.8	7	7	3	8.1	4	2.8	2	1.9	4.9	3.9	9.8
	5		*15	*20		30	40		3		8.5	8	4	9.2	5	3.5	2.5	3.3	9.8	4.9	19.6
	6		*15	*20		30	40		3		10	10	5	11.5	6	4	3	5.1	15.3	9.8	29.4
	8		*15	*20		30	40		4	1	13	13	6	15	8	5.5	4	5.5	19.1	12.7	39.2
	10		15	*20		30	40	50	5	1.2	16	17	8	19.6	10	7	5	8.9	24.1	18.6	49
	12				*25	30	40		7.1	1.8	18	19	10	21.9	12	8	6	10.9	29.3	19.6	58.8
	16						40		9.5	2.5	24	24	14	27.7	16	10	8	14.9	48.9	29.4	98

[ ! ] BPHL and BPHH are available for L sizes marked with * only.