[16400A-5/8~16400A-2.3/8] Ko-ken 3/4"(19mm)SQ. Impact 6-Point Socket 1 Piece (29 Sizes Available) - MisakaZoo

[16400A-5/8〜16400A-2.3/8] Ko-ken 3/4"(19mm)SQ. Impact 6-Point Socket Single Item (29 Sizes Available)

Ko-ken(コーケン) SKU: 16400A-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.
16400A-5/8
Overall length
50mm
Dimensions
D1:28.8 D2:44 H:11（mm）
Weight
approx. 350g
JAN
4991644410835
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
[16400A-5/8〜16400A-2.3/8]
3/4"(19mm)SQ. Impact 6-Point Socket All 29 sizes (5/8inch to 2.3/8inch)

Part No. Size Overall length Dimensions (mm) Weight JAN Price
16400A-5/8 5/8inch 50mm D1:28.8 D2:44 H:11 Approx. 350g 4991644410835 ¥2,362
16400A-11/16 11/16inch 50mm D1:30 D2:44 H:12 Approx. 355g 4991644410842 ¥2,362
16400A-3/4 3/4inch 50mm D1:32.5 D2:44 H:13 Approx. 360g 4991644410859 ¥2,362
16400A-13/16 13/16inch 50mm D1:35 D2:44 H:15 Approx. 374g 4991644410866 ¥2,362
16400A-7/8 7/8inch 50mm D1:36.3 D2:44 H:15 Approx. 373g 4991644410873 ¥2,362
16400A-15/16 15/16inch 50mm D1:38.8 D2:44 H:16 Approx. 370g 4991644410880 ¥2,362
16400A-1 1inch 50mm D1:40 D2:44 H:16 Approx. 374g 4991644410897 ¥2,362
16400A-1.1/16 1.1/16inch － － － 4991644410903 ¥2,362
16400A-1.1/8 1.1/8inch 53mm D1:45 D2:44 H:18 Approx. 412g 4991644410910 ¥2,617
16400A-1.3/16 1.3/16inch 53mm D1:46.3 D2:44 H:18 Approx. 410g 4991644410927 ¥2,617
16400A-1.1/4 1.1/4inch 53mm D1:48.8 D2:44 H:19 Approx. 428g 4991644410934 ¥2,782
16400A-1.5/16 1.5/16inch 55mm D1:51.3 D2:44 H:20 Approx. 490g 4991644410941 ¥2,940
16400A-1.3/8 1.3/8inch 55mm D1:52.5 D2:44 H:20 Approx. 494g 4991644410958 ¥2,992
16400A-1.7/16 1.7/16inch 55mm D1:55 D2:44 H:20 Approx. 526g 4991644410965 ¥3,487
16400A-1.1/2 1.1/2inch 57mm D1:56.3 D2:44 H:20 Approx. 558g 4991644410972 ¥3,487
16400A-1.9/16 1.9/16inch 57mm D1:58.8 D2:44 H:20 Approx. 598g 4991644410989 ¥3,817
16400A-1.5/8 1.5/8inch 57mm D1:60 D2:44 H:22 Approx. 572g 4991644410996 ¥3,817
16400A-1.11/16 1.11/16inch 62mm D1:62.5 D2:44 H:23 Approx. 720g 4991644411009 ¥3,817
16400A-1.3/4 1.3/4inch 62mm D1:65 D2:44 H:23 Approx. 757g 4991644411016 ¥5,295
16400A-1.13/16 1.13/16inch 62mm D1:66.3 D2:44 H:23 Approx. 755g 4991644411023 ¥5,295
16400A-1.7/8 1.7/8inch 62mm D1:68.8 D2:54 H:23 Approx. 940g 4991644411030 ¥5,295
16400A-1.15/16 1.15/16inch 62mm D1:70 D2:54 H:23 Approx. 912g 4991644411047 ¥5,805
16400A-2 2inch 62mm D1:72.5 D2:54 H:30 Approx. 969g 4991644411054 ¥5,805
16400A-2.1/16 2.1/16inch 62mm D1:73.8 D2:54 H:29 Approx. 1011g 4991644411061 ¥8,625
16400A-2.1/8 2.1/8inch 62mm D1:76.3 D2:54 H:29 Approx. 1035g 4991644411078 ¥8,625
16400A-2.3/16 2.3/16inch 62mm D1:77.5 D2:54 H:29 Approx. 1056g 4991644411085 ¥9,000
16400A-2.1/4 2.1/4inch 65mm D1:80 D2:54 H:32 Approx. 1126g 4991644411092 ¥9,000
16400A-2.5/16 2.5/16inch 65mm D1:81.3 D2:54 H:31 Approx. 1163g 4991644411108 ¥9,975
16400A-2.3/8 2.3/8inch 65mm D1:83.8 D2:54 H:31 Approx. 1215g 4991644411115 ¥9,975

Square drive: 19mm (3/4 inch)

Official web catalog (2025-26 edition, page 230):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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