Cart 0

KK Z-Series

Ko-Ken Z-Series

Ko-Ken Z-Series: Professional-Grade Impact Sockets

KK Z Series products are tools and tool accessories from the Z‑Series lineup, built for professional use in automotive, industrial maintenance, and MRO environments (application dependent). Z‑Series collections are typically chosen when technicians want consistent fit, durability, and a clean, organized way to standardize tooling across common fastener sizes. Because “Z Series” can include multiple tool types, selecting the right item is mainly about matching the product category and specifications to your drive system and fasteners (per listing).

Ko-ken 3300XZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-10
MPN: 3300XZ-10

Save $2.56
Ko-ken 3300XZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-11
MPN: 3300XZ-11

Save $2.56
Ko-ken 3300XZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-12
MPN: 3300XZ-12

Save $2.56
Ko-ken 3300XZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-13
MPN: 3300XZ-13

Save $2.81
Ko-ken 3300XZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-14
MPN: 3300XZ-14

Save $2.81
Ko-ken 3300XZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-15
MPN: 3300XZ-15

Save $2.81
Ko-ken 3300XZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-16
MPN: 3300XZ-16

Save $2.81
Ko-ken 3300XZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-17
MPN: 3300XZ-17

Save $2.81
Ko-ken 3300XZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-18
MPN: 3300XZ-18

Save $2.92
Ko-ken 3300XZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-19
MPN: 3300XZ-19

Save $2.92
Ko-ken 3300XZ-7 3/8 Sq. Dr. Socket 7mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-7 3/8 Sq. Dr. Socket 7mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-7
MPN: 3300XZ-7

Save $2.56
Ko-ken 3300XZ-8 3/8 Sq. Dr. Socket 8mm 6 point Length 35mm Z-series

Ko-ken 3300XZ-8 3/8 Sq. Dr. Socket 8mm 6 point Length 35mm Z-series

SKU: KK-3300XZ-8
MPN: 3300XZ-8

Save $2.56
Ko-ken 3322AZ-75 3/8 Sq. Dr. Adaptor 1/4 Square Length 75mm Z-series

Ko-ken 3322AZ-75 3/8 Sq. Dr. Adaptor 1/4 Square Length 75mm Z-series

SKU: KK-3322AZ-75
MPN: 3322AZ-75

Save $4.32
Ko-ken 3400MZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 20mm Z-series

Ko-ken 3400MZ-10 3/8 Sq. Dr. Socket 10mm 6 point Length 20mm Z-series

SKU: KK-3400MZ-10
MPN: 3400MZ-10

Save $1.57
Ko-ken 3400MZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-11 3/8 Sq. Dr. Socket 11mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-11
MPN: 3400MZ-11

Save $1.57
Ko-ken 3400MZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-12 3/8 Sq. Dr. Socket 12mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-12
MPN: 3400MZ-12

Save $1.57
Ko-ken 3400MZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-13 3/8 Sq. Dr. Socket 13mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-13
MPN: 3400MZ-13

Save $1.69
Ko-ken 3400MZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-14 3/8 Sq. Dr. Socket 14mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-14
MPN: 3400MZ-14

Save $1.69
Ko-ken 3400MZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-15 3/8 Sq. Dr. Socket 15mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-15
MPN: 3400MZ-15

Save $1.89
Ko-ken 3400MZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-16 3/8 Sq. Dr. Socket 16mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-16
MPN: 3400MZ-16

Save $1.89
Ko-ken 3400MZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 21mm Z-series

Ko-ken 3400MZ-17 3/8 Sq. Dr. Socket 17mm 6 point Length 21mm Z-series

SKU: KK-3400MZ-17
MPN: 3400MZ-17

Save $1.89
Ko-ken 3400MZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 22mm Z-series

Ko-ken 3400MZ-18 3/8 Sq. Dr. Socket 18mm 6 point Length 22mm Z-series

SKU: KK-3400MZ-18
MPN: 3400MZ-18

Save $1.89
Ko-ken 3400MZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 22mm Z-series

Ko-ken 3400MZ-19 3/8 Sq. Dr. Socket 19mm 6 point Length 22mm Z-series

SKU: KK-3400MZ-19
MPN: 3400MZ-19

Save $1.89
Ko-ken 3400MZ-21 3/8 Sq. Dr. Socket 21mm 6 point Length 23mm Z-series

Ko-ken 3400MZ-21 3/8 Sq. Dr. Socket 21mm 6 point Length 23mm Z-series

SKU: KK-3400MZ-21
MPN: 3400MZ-21

Save $2.98