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Home Reloading Case Preparation Neck Turning Turning & Expander Mandrels SINCLAIR INTERNATIONAL STAINLESS STEEL NECK TURNING MANDRELS Support
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SINCLAIR INTERNATIONAL
STAINLESS STEEL NECK TURNING MANDRELS

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749001159
Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
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16.9 16.9 11 GBP
Product no.: 749001159
SINCLAIR INTERNATIONAL 338 CALIBER (.336") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 14 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 338 Caliber Diameter (in): 0.336
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Top takeaways

  1. Sinclair stainless steel neck turning mandrels are precision-crafted from high-grade stainless steel for calibers 17 to 50, with the 338 caliber mandrel sized at 0.336 inches.
  2. The mandrels are designed with close tolerances—turning mandrels are 0.002 inches under bullet diameter, while expander mandrels are 0.001 inch under bullet diameter, ensuring consistent adjustments.
  3. Large caliber mandrels, which range from 35 to 50 caliber, are compatible only with the Large Caliber Expander Body and the NT-5000 Turning Tool.

Attributes

Caliber: 338 Caliber Diameter (in): 0.336 Delivery weight: 0.023kg Shipping height: 10mm Shipping width: 10mm Shipping length: 64mm

Item details

Made in USA



Product no.: 749001167
SINCLAIR INTERNATIONAL 7MM (.282") STAINLESS NECK TURNING MANDREL Sinclair Neck Turning Mandrel, 7 mm
16.9 GBP 17 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 284 Caliber, 7mm Diameter (in): 0.282
Ask question
Product no.: 749001180
SINCLAIR INTERNATIONAL 6.5MM (.262") STAINLESS NECK TURNING MANDREL Sinclair Neck Turning Mandrel, 6.5 mm
16.9 GBP 97 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 6.5mm, 264 Caliber Diameter (in): 0.262
Ask question
Product no.: 749001147
SINCLAIR INTERNATIONAL 17 CALIBER (.170") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 4 £16.90 *
Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse
Specs: Caliber: 17 Caliber Diameter (in): 0.170
Ask question
Product no.: 749001162
SINCLAIR INTERNATIONAL 25 CALIBER (.255") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 6 £16.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Caliber: 25 Caliber Diameter (in): 0.255
Ask question
Product no.: 749001163
SINCLAIR INTERNATIONAL 270 CALIBER (.275") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 6 £16.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Caliber: 270 Caliber, 6.8mm Diameter (in): 0.275
Ask question
Product no.: 749001174
SINCLAIR INTERNATIONAL 20 CALIBER (.202") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 14 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 20 Caliber Diameter (in): 0.202
Ask question
Product no.: 749001184
SINCLAIR INTERNATIONAL 30 CALIBER (.306") STAINLESS NECK TURNING MANDREL
Mfr Part: NTA30 Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 31 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 30 Caliber Diameter (in): 0.306
Ask question
Product no.: 749001185
SINCLAIR INTERNATIONAL 22 CALIBER (.222") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 30 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 22 Caliber Diameter (in): 0.222
Ask question
Product no.: 749001186
SINCLAIR INTERNATIONAL 6MM (.241") STAINLESS NECK TURNING MANDREL Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
16.9 GBP 17 £16.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Caliber: 243 Caliber, 6mm Diameter (in): 0.241
Ask question
Product no.: 749011562
SINCLAIR INTERNATIONAL 8MM (.321") STAINLESS NECK TURNING MANDREL
Mfr Part: NTA32 Sinclair Neck Turning Mandrel, 8mm
16.9 GBP 8 £16.90 *
Delivery time approx. 7-14 days.
8 pcs. in the USA warehouse
Specs: Caliber: 8mm, 32 Caliber Diameter (in): 0.321
Ask question

Upgrade your reloading with Sinclair's stainless steel neck turning mandrel for 338 Caliber. Precision crafted for accuracy! 🔧

Sinclair stainless steel neck turning and expander mandrels for 17 through 50 caliber cartridges are turned from high grade stainless steel on precision turning centers. Turning mandrels are sized .002 inch under bullet diameter and expander mandrels are .001 inch under bullet diameter. The shape and surface of all mandrels is the result of years of experimenting by many expert handloaders. Our Carbide turning mandrels are precision ground from solid carbdie stock, which yields even closer tolerances. All carbide mandrels are ground to.002 inch under bullet diameter. Adjustments on our NT-4000 turning tool will be more consistent with carbide mandrels due to the tighter tolerances of the mandrels. large caliber (35 to 50 caliber) mandrels fit only the Large Caliber Expander Expander Body and NT-5000 Turning Tool.
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Enhance your reloading precision with our stainless steel expander mandrels for 22 caliber (.223")🔧. Perfect fit for NT-3000 & NT-1000 tools!
SINCLAIR INTERNATIONAL
SINCLAIR INTERNATIONAL 22 CALIBER (.223") STAINLESS EXPANDER MANDREL
STAINLESS STEEL EXPANDER MANDRELS
Turning & Expander Mandrels
3.7
In stock
£18.90 £16.90 - £18.90
Achieve precise measurements with Sinclair's 17 Caliber Bullet Comparator Inserts! 🔍 Eliminate wobble for consistent results in your reloading.
SINCLAIR INTERNATIONAL
SINCLAIR INTERNATIONAL 17 CALIBER (0.172") COMPARATOR INSERT
BULLET COMPARATOR INSERTS
Bullet Comparators | Bullet Comparator Inserts
0
In stock
£11.90 £11.90 - £17.90
Discover the HEAVY DUTY POLY LOADING BLOCKS by Sinclair International. Durable, easy to clean, and perfect for 284 Winchester cartridges! 🔧
SINCLAIR INTERNATIONAL
SINCLAIR INTERNATIONAL 6.5X284 WIN HEAVY-DUTY LOADING BLOCK
HEAVY DUTY POLY LOADING BLOCKS
Loading Blocks
5
Reordered
£28.90
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