21st Century Titanium Nitrate Expander Mandrel - 6.5 Caliber. Available on back-order. $17.70 (out of stock) Quick View. These are custom undersize expanders to help reloaders control neck tension better. Due to this popular demand we are now offering expanding mandrels from carbide. The match set of mandrel, and expander are caliber specific. Custom Undersized Mandrel, please specify how many thousandths you would like it undersized in the box below. These are custom undersize expanders to help reloaders control neck tension better. You dont have to use dry neck lube before expanding your necks. An expander mandrel is a better tool than an expander ball in a die, but still not as good as a bushing die. Click Image to Zoom. Stainless steel expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Our expander mandrels are available in .0005” increments in calibers 22 to 338 and will range from .001” above bullet diameter to at least .003” below bullet diameter depending on caliber. Expander rings from Royal Rubber were originated by our professionals to adjust the size of the mandrel, eliminating the need for filler plates or changing mandrels. A regular die + expander grossly undersizes then pulls back out, whereas with a bushing and mandrel, you only slightly undersize the neck before pushing back out. With correct neck tension you can expect a more consistent seating depth and shot! 90631 UNDERSIZE MANDREL .280. Got a Lee custom collet die made for my 30BR. THIS IS THE CUSTOM SIZED EXPANDER MANDREL ONLY. Wilson Tube Expanders are designed to work with tubes in a wide range of sizes. Nitinol- Ideal for smaller mandrels prone to kinking, Nitinol combines superior strength and elasticity. 5 Best way I know to attain even neck tension. Description. They are easily installed, mounting quickly without the need for special lifting equipment. Expander mandrels are .001" under bullet diameter. We have found this is the easiest method to greatly reduce your extreme spread (ES) and standard diviation (SD) numbers. The APW Expander Mandrel will smooth out and slightly expand the case neck so the brass will be ready for consistant neck tention. We suggest putting a bit of lube on the mandrel before running it down the necks — but remove any lube that gets inside the necks before seating bullets. These are special ground expander mandrels to be used for obtaining more precise bullet seating tension. 4.4 out of 5 stars 100. $9.99. Add to basket; K&M Custom Diameter Expand Mandrels Particularly when you are not doing outside neck turning of brass which uniforms wall thickness. We will do our best to contact you back within 48 business hours. L.E. Our Nitinol “Super Mandrels” last up to 10 times longer than Spring Temper Mandrels. Using expander mandrels in .0005 increments has totally changed my reloading procedures. Properly expand your brass with the K&M Expand Mandrel before neck turning. Add "Imperial Wax 1oz. Tin" for $ 9.45 each Imperial Wax 1oz. Tin quantity Please choose at least 1 item. Virgin/competition Brass isn’t quite ready to Neck Turn when you buy it. The expander mandrels from both Sinclair Int’l and K&M will both leave the necks with enough neck tension (more than .001″) so you can then seat bullets without another operation. 4.9 (17) STAINLESS STEEL EXPANDER MANDRELS. Details. I've got a forster die with the expander ball removed and I plan on using a mandrel to set the case mouth for .002 bullet tension, a friend is planning on using the lee collet die with a custom mandrel to achieve the same goal. PMA’s new carbide expander mandrels will cost $56.95 per item. 50 $15.91 $15.91. I switched my handloading routine to a custom honed Forster FL die and a 21st Century expander mandrel. ... Our Neck Expanding Mandrels are designed to fit both the 21st Century Shooting and Sinclair Expander Dies. Lowest price in 30 days. $17.70 (in stock) Quick View. Phone: 219-397-8248 Fax: 219-397-6530 pinderpgw@sbcglobal.net Contact Us: Polyurethane Products for Industrial Applications: P.O. SKU: 90393. Mandrel Heats to 350 Degrees for Vinyl Tubing. The AWP Expander Mandrel will smooth out and slightly expand the case neck so the brass will be ready for consitant neck tention. The oversized expanders will also help straighten necks prior to sizing to improve concentricity. These are special ground expander mandrels to be used for obtaining more precise bullet seating tension. Tube Expanders. For example, you would only need to purchase one ER11 1/4” Collet in order to hold any 6mm Expander Mandrel They are available in the following calibers: .17, .20, .22, 6mm, .25, 6.5, .270, 7mm, .30, and .338. Does anyone have experience using lee collet dies to set case mouth diameter vs a mandrel expander? Posted by Ted on 30th Dec 2020 Used with the expander die body to straighten up some new Lapua cases that were deformed during shipping. $11.95. If you have any questions on ordering don't hesitate to call 260-273-9909. Appropriate ER11 collet to hold the Expander Mandrel. Our expander mandrels are available in .0005” increments in calibers 22 to 338 and will range from .001” above bullet diameter to at least .003” below bullet diameter depending on caliber. Our mandrels are longer than other expanding mandrels and feature a special dual taper which... Add to Cart. *** Expander Mandrels typically use a different ER11 Collet than a Solid Decapping Pin*** Only ONE ER11 collet is needed for each caliber range. Put a bit of lube on the mandrel before running it down the necks — but remove any lube that gets inside the necks before seating bullets. SINCLAIR EXPANDER MANDREL – 35 thru 50 Caliber Expander Die Body £ 36.99. Expanded tubing ends take the shape of the mandrel. PMA Tool Expander Mandrels. These custom expanders are available in 1/2 thousandths of an inch increments of BULLET … $12.50 $ 12. IMO, the expander mandrel is the most important tool on the bench. We are transitioning to our new website, www.21stcenturyinnovation.com so please bear with us. The K&M expander mandrels and force gauge have moved the consistency in my neck tension to a new level. 21st Century Titanium Nitrate Expander Mandrel - 6mm. Mandrels are custom-made to customers' requirements. Over the past few years we have seen a greater need to run new brass cases over and expanding mandrel to properly prepare them for their first firing. PMA’s tool-makers tell us: “Over the past several months we have received many requests to make expanding mandrels from carbide. This die is designed to be used on NEW brass cases to prepare the case for the seating operation. The expander mandrels from both Sinclair Int’l and K&M will both leave the necks with enough neck tension (more than .001″) so you can then seat bullets without another operation. Engineered to meet the parts and machine requirements. Two mandrels are included in each assembly. Get it as soon as Thu, Jun 24. It can grip multiple parts or multiple diameters simultaneously. Custom Diameter Expand Mandrels for Bullet Tension | Reloading Pinder Polyurethane and Plastics is a manufacturer of polyurethane coated rollers, material handling pads, polyurethane mandrel expanders and polyurethane conveyor rollers for industrial applications. Our Generation II Expander Dies completely capture the mandrel within the die so the mandrel cannot pull out. Out of 50 brass, only 17 ran smooth through the die, others are 'rubbing' i.e. Yosoo Copper Pipe Tube Expander Stainless Steel Mandrel Manual Expanding Tool Pipe Swaging Tool for Air Conditioner Refrigeration Install Maintain Repair. Home > Coil Mandrel Expander Rings > With Wuxi’s coil mandrel expanding rings, you can increase efficiency and safety while eliminating waste. SINCLAIR INTERNATIONAL. Expanded Lapua 6BR brass with K & M .243 to .270 then .270 to .308 cause couldn't find any .243 to .308 expander mandrel anywhere at the time of purchase. This will allow the reloader to find proper neck tension to fine-tune their loads. FREE Shipping. Although they can be difficult to find to suit some cartridges. Description. Rathburn Ring Stretcher Enlarger Expander Mandrel Wedding Band Sizer Jewelry Ring Sizing Tool. 4.2 out of 5 stars 146. An O-ring in the die cap allows the mandrel to float a bit and find its own center within the case neck. Expander Mandrel. Located in East Chicago, Indiana. Since we work in a machine shop environment, the best way to reach us is via email. Put a bit of lube on the mandrel before running it down the necks — but remove any lube that gets inside the necks before seating bullets. Both Sinclair and K&M Tools make a die body specifically to hold expander mandrels. The Sinclair version, item 05-3000, is shown above. 3/4" Expanding Arbor (Mandrel) with 5/8 Straight Shank. This is a product that will prove its worth after using it only a few times. 300 WSM, 7.5x55, 30/06, 30/30, 308 Win, and 300 Win Mag. Non-Bushing FL Die Set + Expander Ball Kit $ 288.99 – $ 398.99 $ 274.54 – $ 379.04 Select options No matter what your needs are for expander rings, Royal Rubber is ready to assist you in manufacturing the customized parts you need. I was wondering if any Lee custom collet die user experienced the following problem before. One of the most important steps to extreme accuracy is that of turning the necks of your cases to match your chamber, and bullet. 90480 UNDERSIZE MANDREL .3035. going in and out … 4.2 (15) CARBIDE NECK TURNING MANDRELS. Posted by … Vendor: K&M Precision Tools; SKU: Tags: Expanding Mandrel K&M Precision Neck Tension Neck Turn; Related Products You might also be interested in these items. You dont have to use dry neck lube before expanding your necks. Custom Carbide Mandrel (1 review) Write a Review Write a Review. 5.0 out of 5 stars 5. SINCLAIR INTERNATIONAL. That’s the true advantage of the mandrel - the shoulder is more self supporting and will take on less run out when being pushed open rather than pulled open. Pinder Polyurethane is located at 481 East 151st St., East Chicago, Indiana, 46312. Incremental improvements to reloading techniques and tools help to save time and gain consistency in precision hand loaded ammunition. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. The gage pin block will be etched with the caliber and each gage pin location will be noted with the bullet tension and the diameter of the gage pin. $39.69 $ 39. $17.70 (in stock) Quick View. As you may have guessed by now, I have a strong preference for a F/L die with a neck bushing. The NEW Wilson Expanding Mandrel Sizing Die. Polyurethane rollers, custom molded parts, pads, mandrel expanders, sheet, rod and tube products. Save 21%. Order anytime online. 7 days a week. 24 hour a day! 21st Century Shooting Expander Mandrels when used with our 21st Century Shooting Expander Die Body will expand the case neck for proper fit on the turning arbor. Precision CNC machined from very high grade stainless steel. . . . 21st Century Shooting is excited to unveil a brand new product! Price i ncludes one mandrel with die, additional mandrels sold and packaged separately. These PMA Tool Expanding Mandrels are machined from 17-4 medical grade stainless steel to give them a smoother, harder and more corrosion resistant surface. Model 1200A uses a heated mandrel to soften and expand tubing, such as vinyl and teflon. Our expander rings are available in custom widths from less than 8” to larger than 48” to fit your uncoiler specifications and desired mandrel OD. Non-Bushing FL Sizer + Expander Ball Kit $ 154.49 – $ 222.99 $ 146.77 – $ 211.84 Select options; Sale! 69. The 7/8-14 Threaded Adapter fits your Normal Reloading press and the interchangeable Mandrels are sized to be the perfect companion to the K & M MICROADJUSTABLE Neck Turner. The neck of the Forster die was custom honed by Forster to 0.3340” (in lieu of customary 0.290”) - I run it without the expander spindle and then I run separate mandrel die to get holding tension very close to 0.0015”.