TAP: BSW 7/8″ X 9 3PC SET HAND TAPS

$143.00

* British Standard Whitworth (BSW) is an imperial-unit-based screw thread standard, devised and specified by Joseph Whitworth in 1841 and later adopted as a British Standard. It was the world’s first national screw thread standard, and is the basis for many other standards, such as BSF, BSP,
* All taps are manufactured from quality HSS-M2 for durability and extended tool life
* These 3pc sets consist of: Taper, Intermediate and botton taps
* Taper or first tap has a long chamfer and trapeziform cutting edges and preformd about 60% of the cutting work
* The intermediate or second tap has a shorter chamfer and trapeziform cutting edgeswhich are deeper, and completes around 30% of the cutting work
* The 3rd or bottoming tap (finishing) has a short chamfer and cutting edgeswhich create the final sharp form of the thread groove

Weight 0.34 kg
Dimensions 0.14 × 0.08 × 0.03 cm

In stock

SKU: TAP3283056 Category:
Description
DESCRIPTION BSW 3pc Tap Set
SIZE 7/8″ x 9
MATERIAL HSS-M2
LENGTH O/A Standard
WEIGHT NETT/GROSS 0.590kg
VOLUME 0.0003cm
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