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HOME > Products > Accessories > Interchangeable Head

Interchangeable Head

Torque wrench model Example: CL50N
WIDTH mm / inch
Select head
 

SH Open Wrench Head

SH open heads can be used for piping tasks that do not permit the use of sockets or ring heads.

SH Open Wrench Head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi SH12D x 14

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
SH15D X 12 59 38 8 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120214 Please contact us.
SH15D X 13 59 38 8 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120221 Please contact us.
SH15D X 14 59 38 8 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120238 Please contact us.
SH15D X 16 140 51 13 63 0.2

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120306 Please contact us.
SH15D X 17 140 51 13 63 0.2

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120245 Please contact us.
SH15D X 18 140 51 13 63 0.2

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120313 Please contact us.
SH15D X 19 140 51 13 63 0.2

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120252 Please contact us.
SH15D X 21 140 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120320 Please contact us.
SH15D X 22 140 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120269 Please contact us.
SH15D X 24 140 60 12 63 0.22

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120276 Please contact us.
SH15D X 26 140 60 12 63 0.22

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120337 Please contact us.
SH15D X 27 140 60 12 63 0.21

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120283 Please contact us.
SH15D X 30 140 60 12 63 0.21

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120290 Please contact us.
SH15D X 32 140 60 12 63 0.2

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4562135120344 Please contact us.
SH15D X 36 140 68 12 63 0.24

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH Open Wrench Head Details 		4571141271773 Please contact us.

SH model open heads (inch sizes)

SH Open Heads (Inch Sizes) are for inch-size widths across flats.

SH model open heads (inch sizes) Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi SH8D×1/4

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
SH15D X 1/2 59 38 8 63 0.1

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141270028 Please contact us.
SH15D X 9/16 59 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141270035 Please contact us.
SH15D X 5/8 140 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141270042 Please contact us.
SH15D X 11/16 140 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141270059 Please contact us.
SH15D X 3/4 140 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141270066 Please contact us.
SH15D X 13/16 140 51 13 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141270073 Please contact us.
SH15D X 7/8 140 51 13 63 0.17

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274163 Please contact us.
SH15D X 15/16 140 60 12 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274170 Please contact us.
SH15D X 1 140 60 12 63 -

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274187 Please contact us.
SH15D X 1-1/16 140 60 12 63 0.19

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274194 Please contact us.
SH15D X 1-1/8 140 60 12 63 0.18

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274200 Please contact us.
SH15D X 1-3/16 140 60 12 63 0.18

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274217 Please contact us.
SH15D X 1-1/4 140 60 12 63 0.17

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274224 Please contact us.
SH15D X 1-5/16 140 66 12 63 0.24

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274231 Please contact us.
SH15D X 1-7/16 140 69 12 63 0.24

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274255 Please contact us.
SH15D X 1-1/2 140 69 12 63 0.23

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

SH model open heads (inch sizes) Details 		4571141274262 Please contact us.

RH Ring Head

RH ring heads do not separate from bolt heads easily, making tasks safer and more accurate.

RH Ring Head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi RH12D x 10

Note: RH8D X 5.5～7 are hexagonal.

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
RH15D X 12 29.5 19 7 63 0.09

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135120993 Please contact us.
RH15D X 13 29.5 19 7 63 0.09

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121006 Please contact us.
RH15D X 14 59 22 8 63 0.1

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121013 Please contact us.
RH15D X 16 59 25 8 63 0.11

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121082 Please contact us.
RH15D X 17 100 26 10 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121020 Please contact us.
RH15D X 18 100 26 10 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121099 Please contact us.
RH15D X 19 140 28 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121037 Please contact us.
RH15D X 21 140 31 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121105 Please contact us.
RH15D X 22 140 31 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121044 Please contact us.
RH15D X 24 140 34 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121051 Please contact us.
RH15D X 27 140 37 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121068 Please contact us.
RH15D X 30 140 41 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH Ring Head Details 		4562135121075 Please contact us.

RH model ring heads (inch sizes)

RH Ring Heads (Inch Sizes) are for inch-size widths across flats.

RH model ring heads (inch sizes) Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi RH8D×1/4

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
RH15D X 1/2 29.5 19 7 63 0.09

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH model ring heads (inch sizes) Details 		4571141270196 Please contact us.
RH15D X 9/16 59 22 8 63 0.09

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH model ring heads (inch sizes) Details 		4571141270202 Please contact us.
RH15D X 5/8 59 25 8 63 0.09

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH model ring heads (inch sizes) Details 		4571141270219 Please contact us.
RH15D X 11/16 100 26 10 63 0.1

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH model ring heads (inch sizes) Details 		4571141270226 Please contact us.
RH15D X 3/4 140 28 13 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RH model ring heads (inch sizes) Details 		4571141270233 Please contact us.

QH Ratchet Head

QH ratchet heads have a small tightening radius to facilitate effective tightening in cramped areas. The square drive QH10D-1/4, QH15D-3/8 and QH22D-1/2 models are one size smaller than the regular models, so their sockets are cheaper.

QH Ratchet Head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi QH10D

Note 1: For models with a square drive 25.4mm or larger, use with a through-hole socket.
Note 2: Use QH15D-3/8 and QH22D-1/2 at no more than the permissible torque (Tmax).
Note 3: See here for square drive dimensions.

Ask for inventory status and price.

Model/Type Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
QH15D - 37.5 - 63 0.3

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

QH Ratchet Head Details 		4562135121327 Please contact us.
QH15D-3/8 100 37.5 - 63 -

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

QH Ratchet Head Details 		4571141274644 Please contact us.

RQH female ratchet head

RQH female ratchet heads can be used for effective tightening in areas where vertical space is limited.

RQH female ratchet head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi RQH15D x 14

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
RQH15D X 14 - 37.5 - 63 0.28

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RQH female ratchet head Details 		4562135121686 Please contact us.
RQH15D X 17 - 37.5 - 63 0.26

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

RQH female ratchet head Details 		4562135121693 Please contact us.

DH square drive head

DH square drive heads are standard interchangeable heads, and are useful when tightening many different types of bolts having the same shape, using the same torque wrench. It is best to possess one set. Use them with sockets for tightening. Reasonably priced.

DH square drive head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi DH22D

Note: Models with a square drive of 25.4 mm and greater should be used with a through-hole socket.

Ask for inventory status and price.

Model/Type Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
DH15D - 22 - 63 0.16

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

DH square drive head Details 		4562135121402 Please contact us.

HH Hex Head

The HH hex head is to be used for hex socket bolts (cap screws). To be used with hex key inserted.

HH Hex Head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi HH15D x 10

* Note 1: To be used with hex key inserted.
* Note 2: The HH8D is for hex 6.35 interchangeable bits, not for hex socket screw keys.
* Note 3: Models with a width across flats of 5 and 6 are hex; all other models are double hex.

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
HH15D X 8 - 14 13 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

HH Hex Head Details 		4562135121556 Please contact us.
HH15D X 10 - 17 13 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

HH Hex Head Details 		4562135121563 Please contact us.
HH15D X 12 - 20 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

HH Hex Head Details 		4562135121570 Please contact us.
HH15D X 14 - 21.5 13 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

HH Hex Head Details 		4562135121587 Please contact us.

FH Hook Head

FH hook heads are interchangeable heads ideal for bearing locknut applications.

FH Hook Head Dimension details
◆ How to order

Specify “Tohnichi”, then “Model”.

Example: Tohnichi FH15D x 30

Ask for inventory status and price.

Model/Type
Model (Body Size x Width)		 Allowable Torque
[N･m]		 Outside width
[mm]		 Thickness (t)
[mm]		 Length (ℓ)
[mm]		 Weight
[kg]		 Compliant models JAN code Inventory Prices
FH15D X 30 - - 6 63 0.1

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

FH Hook Head Details 		4562135121808 Please contact us.
FH15D X 38 - - 6 63 0.12

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

FH Hook Head Details 		4562135121815 Please contact us.
FH15D X 45 - - 7 63 0.13

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

FH Hook Head Details 		4562135121822 Please contact us.
FH15D X 52 - - 7 63 0.14

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

FH Hook Head Details 		4562135121839 Please contact us.
FH15D X 58 - - 8 63 0.17

Coupling is possible if the Tohnichi interchangeable head torque wrench and interchangeable head dimensions are the same.

FH Hook Head Details 		4562135121846 Please contact us.
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