Bosch 2 x 14" sds-max scaling chisel 참조 가이드

Taper

f

f

  8–10 chamfered threads at the 

tip ideal for starting threads in 

tough materials

f

f

  Longest chamfer of all  

three types

f

f

  Commonly used in through holes 

and with materials where a guide 

is necessary

f

f

  Requires less torque due to 

more working teeth

Plug (most widely used)

f

f

  General purpose tap, with  

3–5 chamfered threads

f

f

  Used when there is sufficient 

room on a blind hole and tapping  

to the bottom is not required

Bottoming

f

f

  Used after the threads have  

been started

f

f

  1–3 chamfered threads at the tip 

are enough to start the hole and 

taps all the way to the bottom

Note: Tap and die size is indicated by two 

numbers. The first number represents the 

diameter of the screw or bolt. The second 

number represents threads per inch. The 

letters after the tap size indicate particular 

screw or bolt standard:

Example: A 1/4-20 NC tap will cut 1/4" 

outside diameter with 20 threads per inch 

for a National Coarse-type screw.

provides long 

life and clean, 

accurate threads

provide more  

accuracy than  

machined threads

ensures size 

identification  

won't wear off

provides  

corrosion  

resistance

Toll free: 

2012/2013 Power Tools & Accessories Catalog  | 149