Rika Denshi America is a leading designer and manufacturer of fine-pitch test probes, IC test sockets, and interfaces for the semiconductor packaging and electronics assembly markets.Rika Denshi is known the world over for high-performance products, innovative design solutions, and state-of-the-art manufacturing facilities.

Popular Double-Ended Probes
.006" [.15mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
RI-010HA-01	Con/Spher	.0039"	.10mm	.228"	5.8mm	.213"	5.4mm	.015"	.4mm	0.12 oz	3.5 g
R I -010LA-01	Crn/Spher	.0039"	.10mm	.228"	5.8mm	.213"	5.4mm	.015"	.4mm	0.12 oz	3.5 g
.008" [.20mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
R I -015EA-12-PC	Crn/Spher	.0059"	.15mm	.161"	4.1mm	.150"	3.8mm	.011"	.3mm	0.24 oz	6.7 g
R I -015HA-02-PC	Con/Spher	.0059"	.15mm	.161"	4.1mm	.150"	3.8mm	.011"	.3mm	0.24 oz	6.7 g
R I -015CA-01	Flat/Spher	.0059"	.15mm	.228"	5.8mm	.205"	5.2mm	.023"	.6mm	0.16 oz	4.5 g
R I -015CA-02	Flat/Spher	.0059"	.15mm	.271"	6.9mm	.264"	6.7mm	.008"	.2mm	0.16 oz	4.5 g
R I -015EA-09	Crn/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.25 oz	7.0 g
R I -015EH-02	Crn / Con	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.25 oz	7.0 g
R I -015HH-01-PC	Con / Con	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.25 oz	7.0 g
R I -015AA-01	Flat/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.16 oz	4.5 g
R I -015EA-01	Crn/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.16 oz	4.5 g
R I -015HA-01-PC	Con/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.16 oz	4.5 g
R I -015LA-01	Crn/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.16 oz	4.5 g
R I -015LA-02	Crn/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.16 oz	4.5 g
R I -015LA-04	Crn/Spher	.0059"	.15mm	.291"	7.4mm	.268"	6.8mm	.023"	.6mm	0.16 oz	4.5 g
R I -015EA-06	Crn/Spher	.0059"	.15mm	.311"	7.9mm	.287"	7.3mm	.023"	.6mm	0.16 oz	4.5 g
R I -015LA-06	Crn/Spher	.0059"	.15mm	.311"	7.9mm	.287"	7.3mm	.023"	.6mm	0.16 oz	4.5 g
.012" [.30mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
R I -020CC-01	Flat/Con	.0079"	.20mm	.315"	8.0mm	.289"	7.35mm	.026"	.65mm	0.25 oz	7.0 g
.014" [.35mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
B1736-A1	Crn/Con	.0102"	.26mm	.204"	5.18mm	.189"	4.80mm	.015"	.38mm	0.71oz	20.0g
B1736-B2	Con/Con	.0102"	.26mm	.204"	5.18mm	.189"	4.80mm	.015"	.38mm	0.71oz	20.0g
B1736-C3	Crn/Crn	.0102"	.26mm	.204"	5.18mm	.189"	4.80mm	.015"	.38mm	0.71oz	20.0g
B1736-D4	Con/Crn	.0102"	.26mm	.204"	5.18mm	.189"	4.80mm	.015"	.38mm	0.71oz	20.0g
.016" [.40mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
B1963-A1	Crn/Con	.0118"	.30mm	.150"	3.82mm	.132"	3.35mm	.018"	.45mm	0.88oz	25.0g
B1861-A1	Crn/Con	.0120"	.30mm	.129"	3.27mm	.119"	3.02mm	.010"	.25mm	0.46oz	13.0g
B1861-B2	Con/Con	.0120"	.30mm	.129"	3.27mm	.119"	3.02mm	.010"	.25mm	0.71oz	20.0g
.020" [.50mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
RI-038LI-07-SH1(F)	CRN/Spher	.015"	.38mm	.224"	5.7mm	.199"	5.05mm	.025"	.65mm	1.23oz.	30g
B1838-B2	Crn/Con	.0138"	.35mm	.077"	1.95mm	.065"	1.65mm	.012"	.30mm	0.65oz	17.5g
B1838-C3	Con/Con	.0138"	.35mm	.077"	1.95mm	.065"	1.65mm	.012"	.30mm	0.65oz	17.5g
B1873-B2	Crn/Crn	.0150"	.38mm	.113"	2.86mm	.098"	2.49mm	.015"	.38mm	0.81oz	23.0g
B1873-F6	Con/Rad	.0150"	.38mm	.113"	2.86mm	.105"	2.67mm	.008"	.19mm	0.35oz	10.0g
B1835-A1	Crn/Con	.0150"	.38mm	.122"	3.10mm	.106"	2.69mm	.016"	.41mm	0.60oz	17.0g
B1679-A1	Crn/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.67oz	19.0g
B1679-B2	Con/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.67oz	19.0g
B1679-D4	Crw/Crw	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.56oz	16.0g
B1679-G7	Crw/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.56oz	16.0g
B1679-S17	Con/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	1.02oz	29.0g
B1679-T18	Crn/Crn	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	1.02oz	29.0g
B1902-A1	Con/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.56oz	16.0g
B1902-B2	Crn/Crn	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.56oz	16.0g
B1902-C3	Crn/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.56oz	16.0g
B1902-E5-PA	Crn/Con	.0138"	.35mm	.162"	4.11mm	.150"	3.81mm	.012"	.30mm	0.56oz	16.0g
B1785-F6	Crn/Con	.0150"	.38mm	.221"	5.60mm	.195"	4.95mm	.026"	.66mm	0.85oz	24.0g
B1785-H8	Crn/Con	.0150"	.38mm	,221"	5.60mm	.195"	4.95mm	.026"	.66mm	1.06oz	30.0g
B1785-Q16	Crn/Con	.0150"	.38mm	,221"	5.60mm	.195"	4.95mm	.026"	.66mm	1.23oz	35.0g
B1785-A1	Crn/Rad	.0150"	.38mm	.224"	5.69mm	.198"	5.03mm	.026"	.66mm	0.88oz	25.0g
B1785-B2	Con/Con	.0150"	.38mm	.224"	5.69mm	.198"	5.03mm	.026"	.66mm	0.88oz	25.0g
B1785-D4	Crn/Con	.0150"	.38mm	.224"	5.69mm	.198"	5.03mm	.026"	.66mm	0.80oz	22.5g
B1785-L11	Crn/Con	.0150"	.38mm	.224"	5.69mm	.198"	5.03mm	.026"	.66mm	0.88oz	25.0g
B1545-AC3	Con/Flat	.0138"	.35mm	.270"	6.86mm	.245"	6.22mm	.025"	.64mm	0.71oz	20.0g
B1545-C3	Crn/Con	.0138"	.35mm	.270"	6.86mm	.245"	6.22mm	.025"	.64mm	0.71oz	20.0g
B1545-H8	Con/Con	.0138"	.35mm	.270"	6.86mm	.245"	6.22mm	.025"	.64mm	0.71oz	20.0g
B1545-J9	Con/Rad	.0138"	.35mm	.270"	6.86mm	.245"	6.22mm	.025"	.64mm	0.71oz	20.0g
B1545-AJ9	Crn/Rad	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-AL11	Crn/Con	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.95oz	27.0g
B1545-G7	Crn/Con	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-K10	Crn/Con	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-L11	Crn/Con	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-R17	Con/Rad	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-W21	Con/Con	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-AK10	Con/Flat	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.71oz	20.0g
B1545-BD4	Crn/Rad	.0138"	.35mm	.300"	7.62mm	.275"	6.99mm	.025"	.64mm	0.95oz	27.0g
B1545-AM12	Crn/Con	.0138"	.35mm	.310"	7.87mm	.285"	7.24mm	.025"	.64mm	0.71oz	20.0g
B1545-AH8	Con/Rad	.0138"	.35mm	.538"	13.67mm	.513"	13.02mm	.025"	.64mm	0.71oz	20.0g
.026" [.65mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
RI-035EA-04-TM	CRN/Spher	.014"	.35mm	.126"	3.2mm	.110"	2.8mm	.016"	.4mm	1.06oz.	30g
B1798-A1	Con/Con	.0160"	.41mm	.131"	3.33mm	.116"	2.95mm	.015"	.38mm	0.85oz	24.0g
B1757-A1	Crn/Con	.0210"	.53mm	.188"	4.78mm	.026"	4.11mm	.026"	.67mm	0.78oz	22.0g
B1913-A1	Crn/Crn	.0210"	.53mm	.255"	6.48mm	.222"	5.65mm	.033"	.83mm	0.78oz	22.0g
B1548-A1	Crn/Con	.0189"	.48mm	,272"	6.91mm	.246"	6.25mm	.026"	.67mm	0.74oz	21.0g
.031" [.80mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
RI-058EI-100-SH1(F)	Crn/Con	.023"	.58mm	.022"	5.7mm	.020"	5.05mm	.002"	.65mm	1.34oz.	38g
B1859-A1	Crn/Con	.0256"	.65mm	.098"	2.50mm	.079"	2.00mm	.020"	.50mm	0.71oz	20.0g
B1859-B2	Con/Con	.0256"	.65mm	.098"	2.50mm	.079"	2.00mm	.020"	.50mm	0.71oz	20.0g
B1859-C3	Crn/Con	.0256"	.65mm	.098"	2.50mm	.079"	2.00mm	.020"	.50mm	0.92oz	26.0g
B1651-E5	Crn/Crn	.0224"	.57mm	.135"	3.43mm	.123"	3.12mm	.012"	.30mm	0.92oz	26.0g
B1316-AA1	Crn/Crn	.0231"	.59mm	.234"	5.94mm	.209"	5.31mm	.025"	.64mm	0.42oz	12.0g
B1316-F6	Crn/Crn	.0231"	.59mm	.234"	5.94mm	.210"	5.33mm	.024"	.61mm	1.13oz	32.0g
B1316-K11	Con/Rad	.0231"	.59mm	.234"	5.94mm	.210"	5.33mm	.024"	.61mm	1.13oz	32.0g
B1316-L12	Rad/Rad	.0231"	.59mm	.234"	5.94mm	.210"	5.33mm	.024"	.61mm	1.13oz	32.0g
B1316-P15	Crn/Con	.0231"	.59mm	.234"	5.94mm	.210"	5.33mm	.024"	.61mm	1.13oz	32.0g
B1316-Q16	Con/Con	.0231"	.59mm	.234"	5.94mm	.210"	5.33mm	.024"	.61mm	1.13oz	32.0g
B1316-C3	Crn/Crn	.0231"	.59mm	.234"	5.94mm	.216"	5.49mm	.018"	.45mm	1.41oz	40.0g
B1316G-C3	Crn/Crn	.0231"	.59mm	.234"	5.94mm	.216"	5.49mm	.018"	.45mm	1.41oz	40.0g
B1316-H8	Con/Con	.0231"	.59mm	.234"	5.94mm	.216"	5.49mm	.018"	.45mm	1.41oz	40.0g
B1316-AF6	Crn/Con	.0231"	.59mm	.249"	6.32mm	.225"	5.71mm	.024"	.61mm	1.13oz	32.0g
B1746-A1	Crn/Crn	.0210"	.53mm	.252"	6.40mm	.215"	5.46mm	.037"	.94mm	1.30oz	36.5g
B1363-C3	Crn/Crn	.0230"	.58mm	.273"	6.93mm	.244"	6.20mm	.029"	.73mm	1.48oz	42.0g
B1363-U20	Crn/Crn	.0230"	.58mm	.273"	6.93mm	.244"	6.20mm	.029"	.73mm	1.06oz	30.0g
B1885-B2	Crn/Con	.0224"	.57mm	.330"	7.62mm	.300"	7.62mm	.030"	.76mm	1.41oz	40.0g
B1386-B2	Crn/Crn	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-D4	Crn/Con	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-M13	Crn/Con	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-P15	Con/Con	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-Q16	Crn/Crn	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-V21	Con/Rad	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-Y24	Crn/Crn	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1386-Z25	Crn/Crn	.0230"	.58mm	.342"	8.69mm	.312"	7.92mm	.030"	.76mm	1.06oz	30.0g
B1363-A1	Con/Con	.0230"	.58mm	.353"	8.97mm	.286"	7.26mm	.067"	1.71mm	1.41oz	40.0g
B1363-B2	Crn/Con	.0230"	.58mm	.353"	8.97mm	.286"	7.26mm	.067"	1.71mm	1.41oz	40.0g
B1363-D4	Crn/Con	.0230"	.58mm	.353"	8.97mm	.286"	7.26mm	.067"	1.71mm	1.41oz	40.0g
B1363-E5	Crn/Crn	.0230"	.58mm	.353"	8.97mm	.286"	7.26mm	.067"	1.71mm	1.41oz	40.0g
B1363-N14	Crn/Crn	.0230"	.58mm	.353"	8.97mm	.286"	7.26mm	.067"	1.71mm	1.41oz	40.0g
B1363-G7	Crn/Crn	.0230"	.58mm	.353"	8.97mm	.301"	7.65mm	.052"	1.32mm	1.23oz	35.0g
B1363-M13	Crn/Crn	.0230"	.58mm	.353"	8.97mm	.301"	7.65mm	.052"	1.32mm	0.71oz	20.0g
B1363-W21	Crn/Crn	.0230"	.58mm	.353"	8.97mm	.300"	7.62mm	.053"	1.35mm	1.41oz	40.0g
B1386-J9	Con/Con	.0230"	.58mm	.406"	10.31mm	.376"	9.55mm	.030"	.76mm	1.06oz	30.0g
.039" [1.00mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
B1652-P14	Crn/Con	.0307"	.78mm	.110"	2.79mm	.093"	2.36mm	.017"	.43mm	1.06oz	30.0g
B1652-B2	Crn/Con	.0307"	.78mm	.110"	2.79mm	.098"	2.49mm	.012"	.30mm	1.06oz	30.0g
B1860-A1	Crn/Crn	.0330"	.85mm	.126"	3.20mm	.110"	2.79mm	.016"	.41mm	0.88oz	25.0g
B1810-A1	Crn/Con	.0298"	.76mm	.164"	4.17mm	.144"	3.66mm	.020"	.51mm	0.99oz	28.0g
B1810-B2	Con/Con	.0298"	.76mm	.164"	4.17mm	.144"	3.66mm	.020"	.51mm	0.99oz	28.0g
B1586-F6	Crn/Crn	.0315"	.80mm	.175"	4.44mm	.158"	4.01mm	.017"	.43mm	0.99oz	28.0g
B1586-M12	Crn/Crn	.0315"	.80mm	.175"	4.44mm	.158"	4.01mm	.017"	.43mm	0.99oz	28.0g
B1586-R16	Crn/Con	.0315"	.80mm	.175"	4.44mm	.158"	4.01mm	.017"	.43mm	0.99oz	28.0g
B1586-N13	Crn/Con	.0315"	.80mm	.175"	4.44mm	.158"	4.01mm	.017"	.43mm	0.99oz	28.0g
B1586-W21CR	Crn/Con	.0315"	.80mm	.175"	4.44mm	.160"	4.06mm	.015"	.38mm	0.99oz	28.0g
.050" [1.27mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
B1303-F6	Crn/Crn	.0361"	.92mm	.180"	4.57mm	.161"	4.09mm	.019"	.48mm	1.69oz	48.0g
B1303-K10	Crn/Con	.0361"	.92mm	.180"	4.57mm	.161"	4.09mm	.019"	.48mm	1.69oz	48.0g
B1303-T18	Crn/Crn	.0361"	.92mm	.180"	4.57mm	.161"	4.09mm	.019"	.48mm	1.13oz	32.0g
B1576-L11	Crn/Con	.0360"	.91mm	.417"	10.59mm	.357"	9.07mm	.060"	1.52mm	1.48oz	42.0g
B1576-J9	Crn/Con	.0360"	.91mm	.417"	10.59mm	.357"	9.07mm	.060"	1.52mm	2.30oz	65.0g
B1667-A1	Crn/Crn	.0358"	.91mm	.468"	11.89mm	.413"	10.49mm	.055"	1.40mm	1.83oz	52.0g
B1667-B2	Con/Con	.0400"	1.02mm	.468"	11.89mm	.413"	10.49mm	.055"	1.40mm	1.83oz	52.0g
B1818-B2	Crn/Crn	.0420"	1.07mm	.640"	16.26mm	.546"	13.87mm	.094"	12.39mm	1.62oz	46.0g
B1205-A1	Con/Con	.0264"	.67mm	1.000"	25.40mm	.900"	22.86mm	.100"	2.54mm	2.30oz	65.0g
.100" [2.54mm] Pitch
Probe Drawing	Plunger Tips	Barrel Diameter		Initial Length		Operating Position		Travel to Oper. Position		Spring Force
B1093-A1	Crn/Crn	.0520"	1.30mm	.947"	24.05mm	.805"	20.45mm	.142"	3.61mm	2.12oz	60.0g

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