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Point Forming Die, Type -S
 
Point Forming Die, Type -S Quantity in Basket: None
Catalog No.: PF-1-S
Price: $249.00
Shipping Weight: 0.50 pounds
 
Enter actual diameter in inches:
Select Nose Shape:
Truncated Cone (TC)
1/2-E Blunt RN
3/4-E Pistol RN
1-E Rifle RN
1-E standard flat tip (50% of caliber)
Luger 9mm shape
2-S Short Spitzer
4-S Short Spitzer
6-S Standard Rifle
8-S Spitzer
10-S Spitzer
12-S spitzer
Ultra Low Drag Secant
Custom Shape (+ $200)
Enter custom ogive specs:
Select wire diameter:
Use standard size for caliber
.047-in
.062-in
.072-in
.081-in
.091-in
.105-in
.120-in
.134-in
.161-in
Other size
Enter custom size if checked:
Diameter of flat tip, inches:
Select base shape:
Flat base
Dish base (shallow concave)
Cup base (paper patch)
Hollow base (pellet, Minie, slug)
Rebated Boatail
Base Guard
Heel Base (enter specs) +$70
Custom Base (enter specs) +$70
Enter custom base specs:
Optional Note:
  Die body without punches (replacement use)
 
Quantity:
 
PF-1-S point forming die smoothly shapes the ogive or nose so there is no shoulder between the shank and the nose section. The point forming die must be closely matched in diameter to a core seating die or the RBT-2 rebated boattail die set diameter in order to produce a straight shank and proper final diameter.

When ordering a point forming die by itself, it is helpful if you send a seated core ready to go into it. The die-makers can then use this sample (or better, half a dozen of them) to actually make a bullet and test the die using your materials and the amount of pressure you use when seating.

However, you can order without sending samples, and in most cases if you use standard Corbin jackets or a lead bullet is being made, the results will be satisfactory. The exact diameter can only be guaranteed if we have the sample seated cores for testing, or if we are also making the core seater or RBT dies that go along with the point former, or if you send us those dies so we can make samples for ourselves in your dies. Then we have the "whole picture" instead of just part of it, and can take full responsibility for the final result of using the PF die with those components and precursor dies. Otherwise, all we can do is guarantee the die cavity shape and size, not the bullet you will get out of it.

A point forming die is built using a series of reamers and laps to form and finish the cavity. These tools can cost more to build than the price of the die, so there is a custom cost involved in making calibers and shapes other than the standard ones we normally build. Custom shapes or diameters add $150 to the die cost, to help defray some of the cost of making custom tooling.

Point forming dies normally use a standard diameter of oil tempered spring wire as an ejection pin, to push the bullet back out by its nose. This leaves a small flat on a lead tip, and limits the minimum tip size to that of the ejection pin itself, but is normally acceptable.

PLEASE NOTE: Ejection pin wire sizes are matched to the nose shape and caliber to permit reliable ejection. If you select "standard" we will use the customary size for the caliber and shape you specify. If you select a diameter that is too small for the shape/caliber, we will try to contact you first and make sure you understand that it probably won't work, and isn't guaranteed to function in that combination. For instance, a 0.049 wire in a .224 or larger caliber is not strong enough for the ejection force and will bend or penetrate the bullet. It is strictly for sub-calibers. The 0.061 is used for most .224's, and some shapes of .243, but other shapes may require a larger 0.071 size for reliable ejection. Bear in mind that ejection pin spring wire has a 0.0005 tolerance plus or minus, so it may be 0.081 or 0.082, and is actually the same thing and will work fine either way. Some dies may be marked .001 larger or smaller than the replacement wire, but that is within the tolerance band and isn't an issue.

A smaller tip, or a more smoothly finished flat tip, can be made by fitting a honed ejection pin to the die, with an adjustable or synchronized pin length that places the end of the pin exactly at the apex of the cavity. This additional work results in a sealed chamber for the cavity, allowing the tip of the bullet to press against the end of the pin at the exact point of insertion where the entire surface is in contact with the bullet material.

The synchronized length, precision fitted ejector punch adds $70 to the cost of the die set, and is primarily used to make flat lead tips more quickly (one less step) than when adding a lead tip die, or to make a somewhat smaller tip than can be achieved without fitting the tip to a cavity in the end of the punch. This is included in the cost of the "bleed hole" die, because in order to use extrusion pressures in the point form die, the die must also be sealed at the tip with a punch honed to exact fit to the ejection pin hole, and the punch must also be synchronized in length with the die cavity so it forms a perfect seal at the tip. You do not need to order both the option for jacketed lead tip and the bleed holes.

The external punch should match the shape of the base, which is formed in the jacketed bullets in the prior stages. With lead bullets, the external punch may be used to form the base entirely in the point form die. Typical base shapes are flat, RBT, BG, cup, hollow or dish base. Custom external punches add $70. A custom punch is one in which the dimensions of the cavity are specified rather than checking one of the standard design types. For instance, if you want a cup base that has a specific depth and radius, with specified margin thickness, this would entail making up prints and show drawings, setting up and manufacturing the punch for you, rather than using one of the standard shapes made in large runs and finished to fit the die.

For faster production of lead bullets, bleed holes can be made in the shank portion of the point form die. This eliminates the need for a prior core swage operation in a CSW-1-S die or LSWC-1-S die. Bleed holes add $170 to the cost of a point form die, and a synchronized and hone fitted ejector punch is included because it is required in order to pressurize the die enough to use the bleed holes.

Custom shapes of ogives, other than those which are Corbin "standards" like the 6-S and 1-E rifle or 3/4-E and TC pistol, require manufacturing a set of reamers and laps before the die cavity can be cut and polished. A diameter that is very much different from standard size also requires production of a set of reamers and laps. Either a custom diameter or a custom shape (or both) would be $150. If you want both a custom diameter and shape, it is just one set of custom tooling, so the price is still just $150.

For instance, a .308 6-S or ULD ogive point former is a standard shape and caliber that we can ship from our inventory if we have extras. But if you specify a .3086 diameter bullet and a 6.5-S ogive, or send a drawing that would require something other than our standard product size and shape, it is a custom job.

See standard ejection pin sizes



Related Item(s)
Code Name Price Availability  
PF-1-SC Custom Point Form Die, type -S $559.00  



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