SKU: 58971048936

Ko-ken Tools 1 in Square Drive 12-Point Socket, 49mm - 8405M-49

Sale price$67.49 Regular price$74.99
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Description

Ko-ken Tools 1 in Square Drive 12-Point Socket, 49mm - 8405M-49Ko ken Tools 1 in Square Drive 12 Point Socket, 49mm 8405M 49 Koken 1 inch square drive 12 point socket in 49 mm is designed to provide precise fastener engagement and consistent torque delivery for heavy duty automotive, industrial, and maintenance operations. Manufactured to exacting dimensional standards, this socket ensures an accurate fit on metric fasteners, supporting smooth rotation and stable performance under high load conditions. The 12

Ko-ken Tools 1 in Square Drive 12-Point Socket, 49mm - 8405M-49

Koken 1 inch square drive 12 point socket in 49 mm is designed to provide precise fastener engagement and consistent torque delivery for heavy duty automotive, industrial, and maintenance operations. Manufactured to exacting dimensional standards, this socket ensures an accurate fit on metric fasteners, supporting smooth rotation and stable performance under high load conditions. The 12 point configuration increases the number of engagement positions, improving accessibility and efficiency when operating in confined spaces or applications with limited swing. Optimized wall thickness balances durability and strength with a practical exterior profile suitable for professional tool systems and large drive assemblies. Koken advanced manufacturing processes and strict quality controls support long term dimensional accuracy, resistance to wear, and reliable service life during repeated high torque cycles. The precision machined drive end ensures secure connection to 1 inch square drive ratchets, extensions, and torque tools, while the refined surface finish enhances corrosion resistance and allows for straightforward maintenance, reflecting the consistent engineering quality associated with Koken professional tools.

Specifications:

  • Drive Shape: Square
  • H Size: 32.5mm
  • Input Drive Size: 1 in
  • Length: 72mm
  • Opening: 12-Point
  • Output Size: 49mm
  • D1 Size: 68mm
  • D2 Size: 53mm
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58971048936

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4.6 ★★★★★
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J
Verified Purchase
Jospeh C Farrell
Louisville, US
★★★★★ 5
Boating maintenance
Perfect replacement parts for your scheduled maintenance, great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 25, 2025
J
Verified Purchase
Jeff Sylvester
Charlottesville, US
★★★★★ 5
worked great at fair price
works fine on my 1994 volvo penta 3.0 GL the main gasket was wrong, but my 3.0 GL does not have a gasket, the other parts appear to be universal
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Reviewed in the United States on June 5, 2025
G
Verified Purchase
gmarlin
Bozeman, US
★★★★★ 4
Good fit
Worked well with no problems.
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Reviewed in the United States on February 24, 2026
A
Verified Purchase
andranik g.
Whiting, US
★★★★★ 5
Great replacement kit
Called around for quotes to get them replaced and everyone was quoting over $2k just for bellows. Figured I’d give it a try. The rubber is good quality and feels soft. Time will tell but this is an easy job if you’re mechanically inclined. Make sure you replace the plastic water pickup fitting while you’re at it. Found mine to be cracked on disassembly and had to wait for a new one. Should be a easy 3-4 hour job if your not doing the bearing and only doing bellows
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Reviewed in the United States on August 26, 2024
B
Verified Purchase
Ben
Houston, US
★★★★★ 3
Just ok
Qualities OK, but for Marine applications might want better
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Reviewed in the United States on August 3, 2025

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