Standard designs of threading tools
Hand tap
Hand tap 2-piece 3-piece with points DIN 2184-2
Hand tap 2-pcs. 3-pcs. without points DIN 2184-2
Hand Tap Pre-Tap with Guide Pin Factory Standard
Hand tap
L1 = Total length
L2 = Thread length
L3 = Thread length at RSP>30°
L4 = Groove length
L5 = usable length (reinforced shank)
L6 = Square length
L7 = Gate cut length
L8 = Peel gate length
L9 = Guide pin length
d = Shank Ø
d1 = gate Ø
γf = helix angle
γfa = Peel cut angle
d2 = neck Ø
d3 = core-Ø
d4 = guide pin-Ø
k = square
Xr = setting angle
EXPLANATION OF SIGNS
Machine tap
With reinforced shank, straight flutes and peel cut DIN 2184-1
With overflow shank and approx. 35° right-hand helical grooves DIN 2184-1
Machine nut tap with long lead DIN 357
Machine tap
L1 = Total length
L2 = Thread length
L3 = Thread length at RSP>30°
L4 = Groove length
L5 = usable length (reinforced shank)
L6 = Square length
L7 = Gate cut length
L8 = Peel gate length
L9 = Guide pin length
d = Shank Ø
d1 = gate Ø
γf = helix angle
γfa = Peel cut angle
d2 = neck Ø
d3 = core-Ø
d4 = guide pin-Ø
k = square
Xr = setting angle
EXPLANATION OF SIGNS
Die
Dies according to EN 22568 and EN 24231
Dies EN 22568 and EN 24231 side view
Hexagonal bar according to DIN 382
Hexagonal cutter according to DIN 382 Side view
Cutting irons and hexagonal cutting irons
A = Outer Ø
SW = Width across flats
h = height
ß = gate angle
γ = Peel gate angle
d4 = Chip hole Ø
EXPLANATION OF SIGNS