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749014408
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 59.9 11 GBP
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 3 £59.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Caliber: 17 Caliber Diameter (in): 0.171

Top takeaways

  1. Sinclair Carbide Neck Expander Mandrels are made from solid carbide for better tolerances, lubricity, and resistance to galling.
  2. The mandrels are designed to be .001" smaller than bullet diameter for perfect neck tension and concentricity.
  3. Compatible with the Sinclair Expander Die and Neck Turning Tools, these mandrels are ideal for sizing before neck turning or bullet seating.

Attributes

Caliber: 17 Caliber Diameter (in): 0.171 Delivery weight: 0.026kg

Item details

Made in USA



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 4 £59.90 *
Delivery time approx. 7-14 days.
4 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 71 £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 10 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in 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 89 £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 21 £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.: 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 6 £59.90 *
Delivery time approx. 7-14 days.
6 pcs. in the 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.
59.9 GBP 15 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 284 Caliber, 7mm Diameter (in): 0.283
Product no.: 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 32 £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 6 £59.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Caliber: 270 Caliber, 6.8mm Diameter (in): 0.276
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 0 £59.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Caliber: 8mm, 32 Caliber Diameter (in): 0.322

Achieve the perfect neck tension with the Sinclair International 17 Caliber Carbide Expander Mandrel 🎯 Precision-engineered for reloaders. Shop now! ✨

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.
In stock
£16.90 * £14.90 - £22.90*
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