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  • Hexagon bit socket (12.7 mm)
  • Hexagon bit socket (12.7 mm)
  • Hexagon bit socket (12.7 mm)

Hexagon bit socket (12.7 mm) BT4-17

5.00 (3)
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Item Feature
Plug-in Angle (mm [inch])
12.7(1/2"), 12.7(1/2")
2014 TRUSCO Published Page
Double-sided Width (S)(mm)
17, 17
Dimension D (phi mm)
25, 25
Dimensions L (mm)
90, 90
2015 Trusco Published Pages
2 0121
TRUSCO Part Number
307-7969, 307-7969
Dimensions e (mm)
49, 49
Dimension S (mm)
17, 17
Weight (g)
216, 216
Customer Reviews
5 star 3
4 star 0
3 star 0
2 star 0
1 star 0
Review Rating: 5.00
3 Customer Reviews
The reviews are automatic translation.
For attaching and detaching the wheel nut of the car
From Japan
On 2017-12-18 19:20:24
Because it was an inner hexagon bolt with imported car, this was necessary. There was no play with the hex of the bolt, I thought that it was made by Kusumi KTC.
This review is about item#7346403.
Used for crawler gear exchange of backhoe
From Japan
On 2017-08-17 15:56:45
In the six-stroke wrench purchased at the home center, the hex screw which did not loosen was easily loosened together with the torque wrench. I am solid and strong.
This review is about item#7346351.
Screw exchange
From Japan
On 2016-10-16 21:26:05
It is safe KTC. There is satisfaction also in use.
This review is about item#7346394.