Rod Size for Die Threading

Thread Specification:

Examples:

#10-32 10-32	In	Numbered machine screw thread (#1 through #12)
1/4-20 1/4"-20 0.25-20	In	Fractional UNC thread (1/4" through 1")
1/2-20 1/2"-20 0.5-20	In	Fractional UNF thread (1/4" through 1")
M6 M6x1 6x1	mm	Metric coarse thread (M1 through M22)
M6x0.75 M6x.75 6x.75 6mm x.75	mm	Metric fine thread (M1 through M22)
0.255-40 .255-40 0.255"-40	In	Non-standard thread (0.06" through 1.0")

Reducing the size of a rod you want to thread with a die makes it easier to start the die,
but the real secret is to add a 30° chamfer to the end of the rod.

Die Blank Size is the Major Diameter less 10% of the Pitch.
This is about the same as common bolts.

Riser, 2" Solid Column

Adds 2" (50 mm) to the head space
For solid column mini mills and micro mills
Includes proper mounting hardware

$49.07

More products like this

Tap & Die Set, 39-Piece Solid Round Dies

39-piece machine screw & fractional tap and solid round die set
Machine screw and fractional sizes of plug style taps plus 1" solid round dies
Includes three tap handles and two die stocks
18-leaf standard thread pitch gauge and screwdriver
Plastic case with lift-out tray

$269.95

More products like this

HiTorque 5100 Mini Lathe - 7x16

Extended bed (16" between centers) provides more working room
Most powerful and most low-speed torque in its class. No gears in spindle drive
4" 3-jaw lathe chuck
Cam lock tailstock
CHUCK GUARD HAS NOW BEEN REMOVED

$1,299.00

More products like this