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749014465
Yields Closer Tolerances and More Lubricity
Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 64.9 11 GBP
Product no.: 749014465
SINCLAIR INTERNATIONAL 6MM (0.242") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 15 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 243 Caliber, 6mm Diameter (in): 0.242

Top takeaways

  1. Sinclair Carbide Neck Expander Mandrels are made from solid carbide for improved tolerances and lubricity, reducing galling and scratching inside the necks.
  2. Designed to be used with the Sinclair Expander Die and Neck Turning Tools, these mandrels are .001" smaller than bullet diameter for optimal neck tension and concentricity.
  3. Specifically for .243 Caliber, 6mm with a diameter of 0.242 inches, these mandrels aid in sizing cases for neck turning or before bullet seating.

Attributes

Caliber: 243 Caliber,6mm Diameter (in): 0.242 Delivery weight: 0.031kg Shipping height: 13mm Shipping width: 13mm Shipping length: 51mm

Item details

Made in USA



Product no.: 749014408
SINCLAIR INTERNATIONAL 17 CALIBER (0.171") CARBIDE EXPANDER MANDREL
Mfr Part: E17C Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 2 £59.90 *
Delivery time approx. 7-14 days.
2 pcs. in the USA warehouse
Specs: Caliber: 17 Caliber Diameter (in): 0.171
Product no.: 749014409
SINCLAIR INTERNATIONAL 20 CALIBER (0.203") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 5 £59.90 *
Delivery time approx. 7-14 days.
5 pcs. in the USA warehouse
Specs: Caliber: 20 Caliber Diameter (in): 0.203
Product no.: 749014457
SINCLAIR INTERNATIONAL 22 CALIBER (0.223") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 22 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 22 Caliber Diameter (in): 0.223
Product no.: 749014466
SINCLAIR INTERNATIONAL 25 CALIBER (0.256") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 3 £59.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Caliber: 25 Caliber Diameter (in): 0.256
Product no.: 749014470
SINCLAIR INTERNATIONAL 30 CALIBER (0.307") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 35 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 30 Caliber Diameter (in): 0.307
Product no.: 749014472
SINCLAIR INTERNATIONAL 338 CALIBER (0.337") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 38 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 338 Caliber Diameter (in): 0.337
Product no.: 749014469
SINCLAIR INTERNATIONAL 7MM (0.283") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
64.9 GBP 11 £64.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 284 Caliber, 7mm Diameter (in): 0.283
Product no.: 749014471
SINCLAIR INTERNATIONAL 8MM (0.322") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 6 £59.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Caliber: 8mm, 32 Caliber Diameter (in): 0.322
Product no.: 749014467
SINCLAIR INTERNATIONAL 6.5MM (0.263") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 166 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 6.5mm, 264 Caliber Diameter (in): 0.263
Product no.: 749014468
SINCLAIR INTERNATIONAL 270 CALIBER (0.276") CARBIDE EXPANDER MANDREL Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
59.9 GBP 8 £59.90 *
Delivery time approx. 7-14 days.
8 pcs. in the USA warehouse
Specs: Caliber: 270 Caliber, 6.8mm Diameter (in): 0.276

Enhance your reloading with the Sinclair 6mm Carbide Expander Mandrel. Precision-engineered for perfect neck tension and fit! 🔧

Yields Closer Tolerances and More Lubricity
Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Sinclair expander mandrels are made .001" smaller than bullet diameter. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly, or use prior to bullet seating to get more concentric necks and perfect neck tension. All Sinclair Mandrels are designed for use with the Sinclair Expander Die and all Sinclair Neck Turning Tools.
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£18.90 £16.90 - £18.90
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£27.90
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£11.90 £11.90 - £17.90
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