KK Accessories

Ko-ken accessories include replacement parts and add-ons designed to support KK tools and tool systems (application dependent). Accessories are typically used to extend tool capability, replace worn components, or configure a setup for a specific job—helping keep production moving with the right supporting hardware on hand. Because “KK” accessories can cover multiple product types, the best way to select the right item is to match the accessory to the exact KK tool model or series you’re using (per listing).


Ko-ken 16644A 3/4 Sq. Dr. Adaptor  1/2 Square Length 54mm Hole type

Ko-ken 16644A 3/4 Sq. Dr. Adaptor 1/2 Square Length 54mm Hole type

SKU: KK-16644A
MPN: 16644A

Sale price $42.28 List price $52.84
Save $10.56
Ko-ken 16644A-B 3/4 Sq. Dr. Adaptor  1/2 Square Length 54mm Ball type

Ko-ken 16644A-B 3/4 Sq. Dr. Adaptor 1/2 Square Length 54mm Ball type

SKU: KK-16644A-B
MPN: 16644A-B

Sale price $45.24 List price $56.55
Save $11.31
Ko-ken 16644A-P 3/4 Sq. Dr. Adaptor  1/2 Square Length 54mm Pin type

Ko-ken 16644A-P 3/4 Sq. Dr. Adaptor 1/2 Square Length 54mm Pin type

SKU: KK-16644A-P
MPN: 16644A-P

Sale price $45.24 List price $56.55
Save $11.31
Ko-ken 16644AL 3/4 Sq. Dr. Locking Adaptor  1/2 Square Length 70mm Locking Quick Release

Ko-ken 16644AL 3/4 Sq. Dr. Locking Adaptor 1/2 Square Length 70mm Locking Quick Release

SKU: KK-16644AL
MPN: 16644AL

Sale price $116.85 List price $146.06
Save $29.21
Ko-ken 16655A 3/4 Sq. Dr. Adaptor  5/8 Square Length 55.5mm Hole type

Ko-ken 16655A 3/4 Sq. Dr. Adaptor 5/8 Square Length 55.5mm Hole type

SKU: KK-16655A
MPN: 16655A

Sale price $43.16 List price $53.95
Save $10.79
Ko-ken 16666AL 3/4 Sq. Dr. Locking Adaptor  3/4 Square Length 75mm Locking Quick Release

Ko-ken 16666AL 3/4 Sq. Dr. Locking Adaptor 3/4 Square Length 75mm Locking Quick Release

SKU: KK-16666AL
MPN: 16666AL

Sale price $154.73 List price $193.41
Save $38.68
Ko-ken 16688A 3/4 Sq. Dr. Adaptor  1 Square Length 62mm Hole type

Ko-ken 16688A 3/4 Sq. Dr. Adaptor 1 Square Length 62mm Hole type

SKU: KK-16688A
MPN: 16688A

Sale price $47.81 List price $59.76
Save $11.95
Ko-ken 16688A-250 3/4 Sq. Dr. Adaptor  1 Square Length 250mm Hole type

Ko-ken 16688A-250 3/4 Sq. Dr. Adaptor 1 Square Length 250mm Hole type

SKU: KK-16688A-250
MPN: 16688A-250

Sale price $130.15 List price $162.68
Save $32.53
Ko-ken 16688A-330 3/4 Sq. Dr. Adaptor  1 Square Length 330mm Hole type

Ko-ken 16688A-330 3/4 Sq. Dr. Adaptor 1 Square Length 330mm Hole type

SKU: KK-16688A-330
MPN: 16688A-330

Sale price $146.85 List price $183.56
Save $36.71
Ko-ken 17788A 1.1/2 Sq. Dr. Adaptor  1 Square Length 98mm Hole type

Ko-ken 17788A 1.1/2 Sq. Dr. Adaptor 1 Square Length 98mm Hole type

SKU: KK-17788A
MPN: 17788A

Sale price $278.64 List price $348.29
Save $69.65
Ko-ken 17799A 1.1/2 Sq. Dr. Adaptor  2.1/2 Square Length 115mm Hole type

Ko-ken 17799A 1.1/2 Sq. Dr. Adaptor 2.1/2 Square Length 115mm Hole type

SKU: KK-17799A
MPN: 17799A

Sale price $671.40 List price $839.25
Save $167.85
Ko-ken 184.64-1/2X20UNF 1/4 Hex Dr. Drill Chuck Adaptor  1/2 x 20UNF  Length 64mm

Ko-ken 184.64-1/2X20UNF 1/4 Hex Dr. Drill Chuck Adaptor 1/2 x 20UNF Length 64mm

SKU: KK-184.64-1/2X20UNF
MPN: 184.64-1/2X20UNF

Sale price $21.72 List price $27.14
Save $5.42
Ko-ken 186.75P-1/2 7/16 Hex Dr. Adaptor  1/2 Square Length 75mm Pin type

Ko-ken 186.75P-1/2 7/16 Hex Dr. Adaptor 1/2 Square Length 75mm Pin type

SKU: KK-186.75P-1/2
MPN: 186.75P-1/2

Sale price $25.80 List price $32.24
Save $6.44
Ko-ken 186.75P-3/8 7/16 Hex Dr. Adaptor  3/8 Square Length 75mm Pin type

Ko-ken 186.75P-3/8 7/16 Hex Dr. Adaptor 3/8 Square Length 75mm Pin type

SKU: KK-186.75P-3/8
MPN: 186.75P-3/8

Sale price $19.32 List price $24.14
Save $4.82
Ko-ken 18866A 1 Sq. Dr. Adaptor  3/4 Square Length 67mm Hole type

Ko-ken 18866A 1 Sq. Dr. Adaptor 3/4 Square Length 67mm Hole type

SKU: KK-18866A
MPN: 18866A

Sale price $66.72 List price $83.39
Save $16.67
Ko-ken 18866A-200 1 Sq. Dr. Adaptor  3/4 Square Length 200mm Hole type

Ko-ken 18866A-200 1 Sq. Dr. Adaptor 3/4 Square Length 200mm Hole type

SKU: KK-18866A-200
MPN: 18866A-200

Sale price $104.99 List price $131.23
Save $26.24
Ko-ken 18877A 1 Sq. Dr. Adaptor  1.1/2 Square Length 200mm Hole type

Ko-ken 18877A 1 Sq. Dr. Adaptor 1.1/2 Square Length 200mm Hole type

SKU: KK-18877A
MPN: 18877A

Sale price $113.71 List price $142.13
Save $28.42
Ko-ken 18888AL 1 Sq. Dr. Locking Adaptor  1 Square Length 95mm Locking Quick Release

Ko-ken 18888AL 1 Sq. Dr. Locking Adaptor 1 Square Length 95mm Locking Quick Release

SKU: KK-18888AL
MPN: 18888AL

Sale price $222.00 List price $277.49
Save $55.49
Ko-ken 19977A 2.1/2 Sq. Dr. Adaptor  1.1/2 Square Length 145mm Hole type

Ko-ken 19977A 2.1/2 Sq. Dr. Adaptor 1.1/2 Square Length 145mm Hole type

SKU: KK-19977A
MPN: 19977A

Sale price $2,120.72 List price $2,650.90
Save $530.18
Ko-ken 3344A 3/8 Sq. Dr. Adaptor  1/2 Square Length 30mm

Ko-ken 3344A 3/8 Sq. Dr. Adaptor 1/2 Square Length 30mm

SKU: KK-3344A
MPN: 3344A

Sale price $9.45 List price $11.81
Save $2.36
Ko-ken 4433A-125 1/2 Sq. Dr. Adaptor  3/8 Square Length 125mm

Ko-ken 4433A-125 1/2 Sq. Dr. Adaptor 3/8 Square Length 125mm

SKU: KK-4433A-125
MPN: 4433A-125

Sale price $15.98 List price $19.97
Save $3.99
Ko-ken 4433A-250 1/2 Sq. Dr. Adaptor  3/8 Square Length 250mm

Ko-ken 4433A-250 1/2 Sq. Dr. Adaptor 3/8 Square Length 250mm

SKU: KK-4433A-250
MPN: 4433A-250

Sale price $21.76 List price $27.20
Save $5.44
Ko-ken 4433A-35 1/2 Sq. Dr. Adaptor  3/8 Square Length 35mm

Ko-ken 4433A-35 1/2 Sq. Dr. Adaptor 3/8 Square Length 35mm

SKU: KK-4433A-35
MPN: 4433A-35

Sale price $10.92 List price $13.64
Save $2.72
Ko-ken 4433A-600 1/2 Sq. Dr. Adaptor  3/8 Square Length 600mm

Ko-ken 4433A-600 1/2 Sq. Dr. Adaptor 3/8 Square Length 600mm

SKU: KK-4433A-600
MPN: 4433A-600

Sale price $42.38 List price $52.97
Save $10.59