Ball Lock Pins (Ring Handle)

Ball Lock Pins & Quick-Release Pins

Product Information

Ring Handle

Ball Lock Pins are high-strength, quick-release alignment pins with a precision ground shank. These standard single-acting Ball Lock Pins are positive locking until released by pushing the button, which moves the center spindle forward to allow the locking balls to retract. The ring-handle version shown here is one of four available handle styles. Made in USA.

Available in pin diameters from 3/16 to 1" (5 to 20mm in metric), in alloy steel or stainless steel. Standard grip lengths for each diameter and material are listed in the tables below, most in stock for same-day shipment. Ball Lock Pins with special grip lengths up to 12” (300mm) and other special features can be quickly made to order. The Part Configurator link at the top of this page can be used for any BLP Ball Lock Pin, either standard or special.

Technical Information

Ball Lock Pins are positive locking until released by pushing the button, which moves the center spindle forward to allow the balls to retract.

General Dimensions (Inch)

The Basic Part Number shown here must be completed on the Pricing & Availability screen with a suffix for grip length (2-place decimal inch) and for any desired option, such as stainless steel material (-S) or an attached cable (-C). For complete part numbers of stock grip lengths in each diameter, see tables at the bottom of this page.

Part No.	A DIA Nominal	A DIA Actual	B	C	D DIA	E	F	G DIA	H	J	K DIA	L	M	N DIA	P DIA	R DIA	S
CL- 3-BLPx-x.xx	3/16 (#10)	.1885/.1870	0.219	0.245	0.22	1.26	0.78	0.47	1.75	1.5	0.22	1.26	0.89	0.47	0.82	0.57	1.13
CL- 4-BLPx-x.xx	1/4	.2485/.2470	0.29	0.275	0.22	1.26	0.78	0.47	1.75	1.5	0.22	1.26	0.89	0.47	0.82	0.57	1.13
CL- 5-BLPx-x.xx	5/16	.3110/.3095	0.375	0.315	0.22	1.26	0.78	0.47	1.75	1.5	0.22	1.26	0.89	0.47	0.82	0.57	1.13
CL- 6-BLPx-x.xx	3/8	.3735/.3720	0.438	0.35	0.27	1.47	0.94	0.59	2	1.62	0.27	1.47	1.02	0.59	1	0.69	1.13
CL- 7-BLPx-x.xx	7/16	.4360/.4345	0.508	0.365	0.27	1.47	0.94	0.59	2	1.62	0.27	1.47	1.02	0.59	1	0.69	1.13
CL- 8-BLPx-x.xx	1/2	.4985/.4970	0.592	0.445	0.39	1.61	1.06	0.75	2.25	1.88	0.39	1.61	1.08	0.75	1.31	0.82	1.33
CL- 9-BLPx-x.xx	9/16	.5610/.5595	0.666	0.495	0.39	1.61	1.06	0.75	2.25	1.88	0.39	1.61	1.08	0.75	1.31	0.82	1.33
CL-10-BLPx-x.xx	5/8	.6235/.6220	0.75	0.565	0.50	1.81	1.06	0.93	3	2.5	0.5	1.81	1.25	0.93	1.56	1.01	1.33
CL-12-BLPx-x.xx	3/4	.7485/.7470	0.886	0.655	0.50	1.81	1.06	0.93	3	2.5	0.5	1.81	1.25	0.93	1.56	1.01	1.33
CL-14-BLPx-x.xx	7/8	.8735/.8720	1.044	0.745	0.71	2.07	1.25	1.3	3.5	2.9	0.71	2.07	1.49	1.3	2.16	1.41	1.9
CL-16-BLPx-x.xx	1	.9985/.9970	1.217	0.875	0.71	2.07	1.25	1.3	3.5	2.9	0.71	2.07	1.49	1.3	2.16	1.41	1.9

General Dimensions (Metric)

The Basic Part Number shown here must be completed on the Pricing & Availability screen with a suffix for grip length (in millimeters) and for any desired option, such as stainless steel material (-S) or an attached cable (-C). For complete part numbers of stock grip lengths in each diameter, see tables at the bottom of this page.

BASIC PART NO.	A DIA (mm)	A DIA ACTUAL (mm)	B (mm)	C (mm)	D DIA (mm)	E (mm)	F (mm)	G DIA (mm)	H (mm)
CLM-5-BLPx-xx	5	4.96 / 4.92	5.38	6.22	5.5	32	20	12	44.5
CLM-6-BLPx-xx	6	5.96 / 5.92	7.06	6.99	5.5	32	20	12	44.5
CLM-8-BLPx-xx	8	7.96 / 7.92	9.42	8.00	5.5	32	20	12	44.5
CLM-10-BLPx-xx	10	9.96 / 9.92	11.91	8.89	7	37.5	24	15	51
CLM-12-BLPx-xx	12	11.96 / 11.92	14.40	11.30	7	37.5	24	15	51
CLM-16-BLPx-xx	16	15.96 / 15.92	19.00	14.35	12.5	46	27	23.5	76
CLM-20-BLPx-xx	20	19.96 / 19.92	24.08	20.19	12.5	46	27	23.5	76

Optional 4 Ball

Pins are optionally available with four balls instead of two, for more-distributed ball-pullout force. To order, add "-4BALL" to the part number:

CL-4-BLPR-1.50-4BALL

Optional Cable

Diagram showcasing the application of Ball Lock Pins Ring Handle

To order pins with a standard cable assembly attached (Cable Assembly CL-82-KA-12.0 — #2 cable size, 12.0" long, with a terminal at the free end for a #10 or M5 attachment screw), add "-C" to the part number:

CL-4-BLPR-1.50-C

For an optional 10" nylon lanyard, add "-NL" to the part number:

CL-4-BLPR-1.50-NL

Material

STEEL
ITEM	MATERIAL	HEAT TREAT	FINISH	DFARS	RoHS
Shank	4130 Steel	Rc 36-40	Zinc Plated Yellow Chromate	✔	✔
Spindle	17-4PH Stainless Steel	-	Passivated	✔	✔
Handle	Aluminum Alloy	-	Black Finish	✔	✔
R-Handle Ring	302 Stainless Steel	-	N/A	✔	✔
Button	Aluminum Alloy	-	Anodized	✔	✔
Collar	300-Series Stainless Steel	-	Passivated	✔	✔
Spring and Ring	17-7PH or 302 Stainless Steel	-	N/A	✔	✔
Balls	440C Stainless Steel	-	N/A	✔	✔

STAINLESS STEEL
ITEM	MATERIAL	HEAT TREAT	FINISH	DFARS	RoHS
Shank	17-4PH Stainless Steel	Rc 40 min	Passivated	✔	✔
Spindle	17-4PH Stainless Steel	-	Passivated	✔	✔
Handle	Aluminum Alloy	-	Black Finish	✔	✔
R-Handle Ring	302 Stainless Steel	-	N/A	✔	✔
Button	Aluminum Alloy	-	Anodized	✔	✔
Collar	300-Series Stainless Steel	-	Passivated	✔	✔
Spring and Ring	17-7PH or 302 Stainless Steel	-	N/A	✔	✔
Balls	440C Stainless Steel	-	N/A	✔	✔

Click here for detailed material and finish specifications.

California residents click here for Prop 65 information.