Key Type Specifications

Size

Dia. of air shaft before fill up air

Dia. of air shaft after fill up air

Inside Dia. of suitable core

1"

ψ24.8

ψ27~ψ28

ψ25~ψ26

1.5"

ψ37

ψ40~ψ42

ψ38~ψ38.5

2"

ψ49

ψ52~ψ54

ψ50~ψ51

3"

ψ74~ψ75

ψ80~ψ82

ψ75.5~ψ78

4"

ψ99~ψ100

ψ104~ψ106

ψ101~ψ102

5"

ψ125

ψ130~ψ133

ψ126~ψ128

6"

ψ150

ψ154~ψ156

ψ151~ψ153

8"

ψ200

ψ206~ψ213

ψ202~ψ204

10"

ψ250

ψ260~ψ264

ψ252~ψ256

12"

ψ300

ψ308~ψ310

ψ302~ψ305

Leaf Type Specifications

Size

Dia. of air shaft before fill up air

Dia. of air shaft after fill up air

Inside Dia. of suitable core

1.5"

ψ37

ψ42

ψ38~ψ38.5

2"

ψ49

ψ53

ψ50~ψ51

3"

ψ74~ψ75

ψ78

ψ75.5~ψ76.5

4"

ψ99

ψ105

ψ101~ψ102

5"

ψ125

ψ130

ψ126~ψ128

6"

ψ150

ψ154

ψ151~ψ153

8"

ψ200

ψ206

ψ202~ψ204

10"

ψ250

ψ260

ψ252~ψ256

12"

ψ300

ψ310

ψ302~ψ305

※ Much easier setting / replacing of core. Fully-automatic operation by air pressure.