Toolhead Clamp Kit™

Take Control of OAL!

$34.95

The UniqueTek Toolhead Clamp Kit™ enables the toolhead of Dillon 550 & 650 presses, or the die plate of RCBS Pro 2000®/ Piggyback™ -3 & -4 presses, to be CLAMPED into the press frame. This corrects the loose fit between the toolhead and press frame, thus reducing OAL (overall length) variation and stabilizing die-to-shellplate alignment. Your press frame remains unmodified so you can still use standard toolheads/die plates with the original toolhead pins ... and your original manufacturer's warranty will not be affected.

Advantages
Eliminates Loose Toolhead-to-Frame Fit
Reduces OAL Variation*
Improves Crimp Repeatibility
Improves Bullet Conentricity from Seating Die
Reduces Jams at Size/Decap Die

It also reduces vibration and stops toolhead rattling when using the Dillon Rapid Trim Case Trimmer!

Works With The Following Presses
Dillon XL 650, RL 550B, BL 550, AT 500 and SL 900
RCBS Pro 2000® and Piggyback™ -3 & -4

RCBS Presses?
Yes! The Toolhead Clamp Kit™ works equally well on RCBS Pro 2000® and Piggyback™ -3 & -4 presses!

What Comes in the Kit
The UniqueTek Toolhead Clamp Kit™ comes complete with all the parts needed for 2 presses and 6 toolheads in a reclosable plastic bag (toolheads not included). Each kit includes*:
Installation Tool for threaded inserts
9/64" HSS Drill Bit
STI Thread Tap
12 Stainless Steel Thread Inserts
4 grade-8 Alloy Steel Clamp Screws with Moly Anti-seize Coating
4 Stainless Steel Washers
Hex-key to Tighten the clamp screws
Detailed Step By Step Instructions
* Quantities listed are for small sized kit.

How it Works
Installation and use is quite simple. You tap threads into the two locator pin holes in the toolhead then install a stainless steel thread insert into each hole. The press frame is NOT modified. When you install the toolhead in the press frame, insert the clamp screws instead of locator pins to hold the toolhead into the frame. Leave the screws loose until you begin cycling the press and have all dies occupied by a round. Then, with the ram still in the up position, tighten the clamp screws. This procedure aligns the toohead to the shellplate, reducing jams. The clamp screws also create a preload force, clamping the toolhead against the top of the press frame, stopping the toolhead from moving during the press cycle and resulting in reduced OAL variation. Once the screws are tightened, just continue reloading as usual.


Q: I only shoot pistol cartridges so OAL variation isn't that critical for me.
A: Let's say you are loading to meet USPSA major power factor. Chamber pressures can rise dramatically if the bullet is seated too deeply (shorter OAL). On the other hand, if your OAL is too long, you can have feed and chambering failures. Either way, it is likely to ruin your day.

Q: I only load cartridges for Cowboy Action shooting. How can this help me?
A: In addition to reduced OAL variation yielding less problems with short action carbines, the light loads commonly used for Cowboy Action shooting require a consistent crimp to achieve uniform muzzle velocities. A light crimp will not build as much chamber pressure, resulting in a velocity reduction.

Q: I'm already using a Redding Competition Bullet Seating Die. How will clamping the toolhead improve on that?
A: The Redding Competition Bullet Seating Die is a GREAT product! But it can't perform to its full potential if the toolhead is moving. With the toolhead clamped, you will achieve the full benefit of the seating die's micrometer adjustment capability. In fact, we now carry Redding Competition Bullet Seating Dies in the most popular calibers!


Read reviews of the Toolhead Clamp Kit™ in the following publications!
Reloading Vault.com; Product Reviews/Aug 2008. Click Here to Read
IHMSA News; Volume 19, Issue 5, June 2008, Page 8. Click Here to Read
Handloader; February-March 2006, Page 90.


"Anyone who owns a Dillon 550/650 NEEDS this kit. The OAL variance for my XL650's cartridges is now 0.002" or less - looks like factory ammo should. The ammo shoots more consistently over the chrono (better standard variation). For a competitive shooter, the more accurate the ammo, the better the results. I can't imagine using a XL650 without the kit. Thanks again!" — Cindy B. - Stewartstown, PA

"After switching over to the toolhead clamp I'm finding I went from .004"-.008" of variance to .001"-.002". I measure my variance using a ogive comparator tool to the base of the case." — Steven S. – Boise, ID

"I would say I reduced the OAL variations and the station one jams by half (conservative estimate). Congratulations on another product that needed developing." — James O. – Reno, NV



Large Size Kit: $44.95
Due to popular demand, the UniqueTek Toolhead Clamp Kit™ is now available in an large size to service more toolheads/dieplates and/or more presses. The large kit contains 26 inserts, 10 screws and 10 washers ... enough for 13 toolheads and 5 presses ... plus the thread tap, insertion tool and hex key.

Refill Kit: $13.95
We now have a Refill Kit. The kit contains 16 inserts ... enough inserts for 8 more toolheads/dieplates ... plus 4 spare screws and 6 spare washers.

Tap Handle: $5.95
This nifty "tap handle" is actually a key for winding a clock, but it is the perfect size to fit the small thread tap in our kits. It is smaller and less cumbersome to use than a standard tap handle, making it easier to align the tap squarely with the hole and making tap breakage less likely.
Tap Handle
We offer these as an option with both the small kit and large kit. If you already have a Toolhead Clamp Kit™, you can buy just the tap handle. Just select it from the drop-down menu.


Toolheads with Clamp Kit Preinstalled:

Dillon Precision:
We carry CNC Machined Toolheads from Whidden Gunworks. They are available for 550 and 650 presses with the Clamp Kit parts pre-installed. Also available for use with standard locator pins. Click Here for more information!

RCBS:
CNC Machined Dieplates for RCBS Pro 2000®/Piggyback™ -3 & -4 presses may be available soon. If you are interested, please call and let us know!



*Reduction in OAL variation can be highly dependent on cartridge, bullet and other factors.
Toolhead Clamp Kit is a trademark of UniqueTek, Inc.
Pro 2000 is a registered trademark of RCBS.
Piggyback is a trademark of RCBS.

Made in USA Logo

Order Information

Item Number
T1230

Price
$34.95

Quantity:

Select Kit Size & Options
To select the kit size and/or add Tap Handle option, click on the drop-down menu below.

Features

  • Grade 8 Alloy Steel Clamp Bolts with Dry-Film Moly Anti-Seize Coating
  • Stainless Steel Thread Inserts
  • Fits Dillon 550 and 650 Toolheads
  • Can be Installed on Toolheads Already Set Up with Dies
  • Press Frame is NOT Modified & your Dillon Warranty will NOT be affected
  • Unmodified Toolheads Can Still Be Used with Original Toolhead Pins

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