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749014472
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.: 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

Top takeaways

  1. Sinclair Carbide Neck Expander Mandrels are made from solid carbide for improved tolerances and lubricity, and to resist galling.
  2. The mandrels are designed .001" smaller than bullet diameter for optimal neck tension and concentricity in case preparation.
  3. These mandrels are specifically made for use with Sinclair Expander Die and Neck Turning Tools, ensuring compatibility and precision for hand loaders.

Attributes

Caliber: 338 Caliber Diameter (in): 0.337 Delivery weight: 0.041kg 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 33 £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.: 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
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 8 £64.90 *
Delivery time approx. 7-14 days.
8 pcs. in the 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 164 £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

Achieve precision with Sinclair's 338 Caliber Carbide Expander Mandrel. Perfect for neck turning and bullet seating. 🔧 Enhance your hand loading!

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.
3.7
In stock
£18.90 £16.90 - £18.90
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£11.90 £11.90 - £17.90
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£27.90
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