[6400A-5/8~6400A-1.3/4] Ko-ken 3/4"(19mm)SQ. 6-Point Socket 1 Piece (21 Sizes Available) - MisakaZoo

[6400A-5/8〜6400A-1.3/4] Ko-ken 3/4"(19mm)SQ. 6-Point Socket Single Item (21 Sizes)

Ko-ken(コーケン) SKU: 6400A-5/8
Size
Selling price (Please note that the price is displayed excluding tax for carts compatible with both Japan and overseas.)
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Specifications of the selected size
Part No.
6400A-5/8
Overall length
50mm
Dimensions
D1:24.6 D2:34 H:12（mm）
Weight
approx. 168g
JAN
4991644140800
Made-to-order item. Ships within 7 to 10 business days of order.
  • You can choose a secure payment method.
  • Shipping schedule: Expected to ship within 1-5 business days. We will generally contact you via email after your order.
  • This product is available for pre-order: Delivery date will be communicated via email after your order.
Including tax View the shipping table. If shipping charges apply, they will be calculated and added at checkout.

※ The product image is a representative image common to the series. Only 1 piece of the selected size (part number) will be delivered.

Ko-ken
[6400A-5/8〜6400A-1.3/4]
3/4"(19mm)SQ. 6-Point Socket 21 Sizes (5/8inch to 1.3/4inch)

Part No. Size Overall length Dimensions (mm) Weight JAN Price
6400A-5/8 5/8inch 50mm D1:24.6 D2:34 H:12 Approx. 168g 4991644140800 ¥2,040
6400A-11/16 11/16inch 50mm D1:27 D2:34 H:13 Approx. 178g 4991644140817 ¥1,950
6400A-3/4 3/4inch 50mm D1:28.5 D2:34 H:13.5 Approx. 179g 4991644140824 ¥1,950
6400A-25/32 25/32inch 50mm D1:29.5 D2:34 H:14 Approx. 185g 4991644140831 ¥1,950
6400A-13/16 13/16inch 50mm D1:31 D2:34 H:14.5 Approx. 185g 4991644140848 ¥1,950
6400A-7/8 7/8inch 50mm D1:32 D2:34 H:15 Approx. 187g 4991644140855 ¥1,950
6400A-15/16 15/16inch 50mm D1:34.5 D2:34 H:17 Approx. 200g 4991644140862 ¥1,950
6400A-31/32 31/32inch 50mm D1:36 D2:34 H:17.5 Approx. 217g 4991644140879 ¥1,950
6400A-1 1inch 50mm D1:37 D2:34 H:18 Approx. 222g 4991644140886 ¥1,950
6400A-1.1/16 1.1/16inch 53mm D1:38.5 D2:37 H:19 Approx. 254g 4991644140893 ¥1,950
6400A-1.1/8 1.1/8inch 53mm D1:41 D2:38 H:20 Approx. 292g 4991644140909 ¥2,460
6400A-1.3/16 1.3/16inch 55mm D1:42 D2:38 H:21 Approx. 301g 4991644140916 ¥2,460
6400A-1.1/4 1.1/4inch 57mm D1:44.5 D2:40 H:23 Approx. 351g 4991644140923 ¥2,460
6400A-1.5/16 1.5/16inch 57mm D1:46 D2:40 H:23.5 Approx. 384g 4991644140930 ¥2,460
6400A-1.3/8 1.3/8inch 57mm D1:48.5 D2:42 H:24.5 Approx. 422g 4991644140947 ¥2,835
6400A-1.7/16 1.7/16inch 59mm D1:51 D2:42 H:25.5 Approx. 484g 4991644140954 ¥2,835
6400A-1.1/2 1.1/2inch 59mm D1:52 D2:45 H:26 Approx. 523g 4991644140961 ¥2,835
6400A-1.9/16 1.9/16inch 59mm D1:54.5 D2:45 H:27 Approx. 550g 4991644140978 ¥3,660
6400A-1.5/8 1.5/8inch 62mm D1:56 D2:47 H:28 Approx. 633g 4991644140985 ¥3,660
6400A-1.11/16 1.11/16inch 62mm D1:58.5 D2:47 H:29 Approx. 659g 4991644140992 ¥4,440
6400A-1.3/4 1.3/4inch 62mm D1:59.5 D2:47 H:29.5 Approx. 657g 4991644141005 ¥4,440

Square drive: 19mm (3/4 inch)

Official web catalog (2025-26 edition, page 134):Japanese ／ English

Google Product Category
English notation: Hardware > Tool Accessories > Tool Sockets
Japanese notation: DIY Supplies > Tool Accessories > Sockets
Category ID: 5571

●Domestic Shipping Costs
Please add the product to your cart to check the shipping costs. We have various shipping options, so please check each time. There are also many products available with free shipping.
●International Shipping Costs
Shipping costs are calculated based on weight and volume. Please understand that some products are not eligible for international shipping.
●Returns After International Shipping
Please contact us within 30 days of receiving the product. Only products in their original condition will be accepted. Unopened and unused products can be returned. Return shipping costs will be borne by the purchaser. Additionally, some products may be marked as free shipping, but please be aware that the sale price may include air freight, fuel surcharges, demand surcharges, and other costs.

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International Shipping Policy — MisakaZoo

MisakaZoo – Your Specialty Store for Tools & Materials

Founded in Japan in 1948, MisakaZoo has built nearly 78 years of history rooted in gratitude and respect for our customers. MisakaZoo is a registered trademark in Japan. We specialize in Japanese-made tools sourced directly from Japan, offering a wide selection of JDM products available exclusively in the Japanese market.

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Shipping Options

Express Worldwide (DHL Express / FedEx)
Our fastest international shipping option. Delivery to major destinations in Europe and North America typically takes 3–4 business days.

Japan Post ePacket Light (items under 1 kg)
An economical option for lightweight packages. Includes tracking, with delivery made directly to the recipient's mailbox. Estimated delivery time: 5–21 days.

Japan Post Sea Freight / Funabin (10 kg – 30 kg)
An affordable option for heavier shipments. Estimated delivery time: approximately 1–3 months. Please note that sea freight may not be available for all destinations. We will confirm availability after your order is placed and contact you if any issues arise.

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Customs Duties & Taxes

All shipments — regardless of shipping method — are made on a DDU (Delivered Duty Unpaid) basis. This means the buyer is responsible for paying any applicable customs duties and import taxes upon delivery. Customs duties cannot be prepaid.

U.S. Customers: We do not collect sales tax for any U.S. state.

European & Australian Customers: Please be aware that VAT and GST are classified as import-related duties and taxes. These charges are assessed by national customs authorities at the time of importation and are the responsibility of the buyer.

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If you have any questions about shipping to your country, please don't hesitate to contact us before placing your order.

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●Regarding returns due to initial defects or issues after international shipping, we will respond with a full refund.
Return shipping costs will be borne by the seller.
●Regarding other issues after international shipping
If the customer is unable to receive the product due to long-term absence, refusal of receipt, incorrect address, etc., and the storage period of the shipping company has expired or the product has been returned, we may ask you to bear all expenses such as air freight costs. Please be aware of this in advance before making a purchase.

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