v3.26.1
Cover
Aug. 26, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 26, 2026
Entity File Number 001-43086
Entity Registrant Name K2 CAPITAL ACQUISITION CORPORATION
Entity Central Index Key 0002086524
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 244 Fifth Avenue
Entity Address, Address Line Two Suite #1833
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10001
City Area Code 236
Local Phone Number 521-6500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one right to receive one-fifth of one Class A ordinary share  
Title of 12(b) Security Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one right to receive one-fifth of one Class A ordinary share
Trading Symbol KTWOU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol KTWO
Security Exchange Name NASDAQ
Rights, included as part of the units  
Title of 12(b) Security Rights, included as part of the units
Trading Symbol KTWOR
Security Exchange Name NASDAQ