NUMERTAP® 770

TENSION ONLY TAPPING

Parlec features the largest range of tapping solutions, including rigid, tension only, and tension and compression systems along with coolant and coolant groove adapters.  

Tension & compression tapping heads have been the main stay of machine tool tapping for many years. Parlec offers a wide range and style of these heads, including Numertap® and Bilz style. Available from #6 to 1 5/8” Hand and 1/16” to 1  1/4” Pipe.


Numertap® 770
  • Tension only (TT) allows synchronous tapping on machines so equipped.
  • Solid design with no tension or compression
    (TR, FS).
  • Quick-change tap adapters ensures quick, easy tap changeover.
  • Radial float allows tap to follow the hole.
Part #
Taper:
C:
Coolant Style:
Weight:
 
B40-77TT4
BT 40
4.99
None
5 lbs.
C40-77TT4
CAT 40
4.85
None
5 lbs.
C50-77TT4
CAT 50
4.04
None
9 lbs.
S10-77TT5
1" Straight Shank
5.25
None
4 lbs.
S20-77TT2
2" Straight Shank
2.75
None
4 lbs.
B40-77TT4C
BT 40
4.99
Thru
5 lbs.
C40-77TT4C
CAT 40
4.85
Thru
5 lbs.
C50-77TT4C
CAT 50
4.04
Thru
9 lbs.
PC6-77TT5C
PC 6
5.16
Thru
5 lbs.
S10-77TT5C
1" Straight Shank
5.25
Thru
4 lbs.
S20-77TT2C
2" Straight Shank
2.75
Thru
4 lbs.
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