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Imperial hexagon AF size ratchet head – TWH-NRH

Imperial hexagon AF size ratchet head – TWH-NRH

Imperial hexagon ratchet heads suitable for accross flat (AF sizes) from 1 1/16″ to 6 7/8″. Easily fitted to TWH-N drive units by simply withdrawing/inserting a single pin. Low profile design and minimum nose radius allows for fitment in confined spaces. Imperial hexagon reducer bushes and square drive conversion kits also available. Special design ratchet heads made to order.

Easily fitted to TWH-N drive unitsHigh grade steel constructionChoice of standard imperial sizes

Technical specifications

IMPERIAL RATCHET HEAD SELECTION TABLE
Bolt size Nut AF size For TWH27N For TWH54N For TWH120N For TWH210N For TWH430N
Model number R [mm] Weight [kg] Model number R [mm] Weight [kg] Model number R [mm] Weight [kg] Model number R [mm] Weight [kg] Model number R [mm] Weight [kg]
5/8″ 1 1/16″ TWH27NRH1.1/16 10.4 1.5
3/4″ 1 1/4″ TWH27NRH1.1/4 9.7 1.6
7/8″ 1 7/16″ TWH27NRH1.7/16 9.8 1.6 TWH54NRH1.7/16 13.5 2.9
1″ 1 5/8″ TWH27NRH1.5/8 10 1.6 TWH54NRH1.5/8 10.8 2.8
1 1/8″ 1 13/16″ TWH27NRH1.13/16 10.5 1.7 TWH54NRH1.13/16 10.7 2.9
1 1/4″ 2″ TWH27NRH2 10.5 1.7 TWH54NRH2 11.7 3.0
1 3/8″ 2 3/16″ TWH27NRH2.3/16 10.3 1.8 TWH54NRH2.3/16 11.8 3.1 TWH120NRH2.3/16 14.7 6.1
1 1/2″ 2 3/8″ TWH27NRH2.3/8 10.5 1.8 TWH54NRH2.3/8 11.8 3.2 TWH120NRH2.3/8 14.8 6.4
1 5/8″ 2 9/16″ TWH54NRH2.9/16 11.6 3.3 TWH120NRH2.9/16 14.8 6.4
1 3/4″ 2 3/4″ TWH54NRH2.3/4 11.8 3.4 TWH120NRH2.3/4 14.9 6.5 TWH210NRH2.3/4 18.3 12.1
1 7/8″ 2 15/16″ TWH54NRH2.15/16 14.8 3.5 TWH120NRH2.15/16 14.9 6.5 TWH210NRH2.15/16 18.3 12.2
2″ 3 1/8″ TWH54NRH3.1/8 12.1 3.5 TWH120NRH3.1/8 15.1 6.5 TWH210NRH3.1/8 18.5 12.3 TWH430NRH3.1/8 26 23.2
2 1/4″ 3 1/2″ TWH120NRH3.1/2 16.9 7.9 TWH210NRH3.1/2 19.3 12.4 TWH430NRH3.1/2 26.8 23.9
2 1/2″ 3 7/8″ TWH120NRH3.7/8 19.6 8.5 TWH210NRH3.7/8 19.5 12.5 TWH430NRH3.7/8 26.5 25.7
2 3/4″ 4 1/4″ TWH210NRH4.1/4 19.5 13.3 TWH430NRH4.1/4 26.9 26.1
3″ 4 5/8″ TWH210NRH4.5/8 19.3 13.8 TWH430NRH4.5/8 25.9 26.3
3 1/4″ 5″ TWH430NRH5 27.4 27.9
3 1/2″ 5 3/8″ TWH430NRH5.3/8 25.8 28.3
3 3/4″ 5 3/4″ TWH430NRH5.3/4 24.8 29.3
4″ 6 1/8″ TWH430NRH6.1/8 25 30.1
4 1/4″ 6 1/2″ TWH430NRH6.1/2 25 31.0
4 1/2″ 6 7/8″ TWH430NRH6.7/8 27.3 31.8

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