[8400M-55~8400M-100] Ko-ken 1"(25.4mm)SQ. 6-Point Socket 1 Piece (27 Sizes Available) - MisakaZoo

[8400M-55〜8400M-100] Ko-ken 1"(25.4mm)SQ. 6-Point Socket, Single Item (27 Sizes Available)

Ko-ken(コーケン) SKU: 8400M-55
Size
Selling price (Please note that the price is displayed excluding tax for carts compatible with both Japan and overseas.)
Save
/
Specifications of the selected size
Part No.
8400M-55
Overall length
77mm
Dimensions
D1:75.5 D2:53 H:42（mm）
Weight
approx. 1140g
JAN
4991644175277
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 one unit of the selected size (part number) will be delivered.

Ko-ken
[8400M-55〜8400M-100]
1"(25.4mm)SQ. 6-Point Socket All 27 sizes (55mm to 100mm)

Part No. Size Overall length Dimensions (mm) Weight JAN Price
8400M-55 55mm 77mm D1:75.5 D2:53 H:42 Approx. 1140g 4991644175277 ¥16,575
8400M-56 56mm 77mm D1:76.5 D2:53 H:42 Approx. 1160g 4991644175284 ¥16,575
8400M-57 57mm 77mm D1:78 D2:53 H:42 Approx. 1196g 4991644175291 ¥19,875
8400M-58 58mm 77mm D1:79 D2:53 H:41 Approx. 1200g 4991644175307 ¥19,875
8400M-60 60mm 82mm D1:81.5 D2:58 H:46 Approx. 1440g 4991644175321 ¥20,925
8400M-62 62mm 82mm D1:84 D2:58 H:46 Approx. 1510g 4991644002665 ¥20,925
8400M-63 63mm 82mm D1:85.5 D2:58 H:45 Approx. 1512g 4991644175345 ¥24,150
8400M-64 64mm 82mm D1:86.5 D2:58 H:46 Approx. 1540g 4991644175352 ¥28,050
8400M-65 65mm 86mm D1:88 D2:63 H:49 Approx. 1683g 4991644175369 ¥28,050
8400M-66 66mm 86mm D1:89 D2:63 H:49 Approx. 1790g 4991644175376 ¥31,125
8400M-67 67mm 86mm D1:90.5 D2:63 H:49 Approx. 1840g 4991644175383 ¥31,125
8400M-68 68mm 86mm D1:91.5 D2:63 H:49 Approx. 1860g 4991644175598 ¥31,125
8400M-70 70mm 88mm D1:94 D2:68 H:50 Approx. 2090g 4991644175390 ¥35,550
8400M-71 71mm 88mm D1:95.5 D2:68 H:50 Approx. 2200g 4991644175406 ¥37,275
8400M-72 72mm 88mm D1:96.5 D2:68 H:51 Approx. 2250g 4991644175413 ¥37,275
8400M-73 73mm 88mm D1:98 D2:70 H:50 Approx. 2300g 4991644175420 ¥38,925
8400M-75 75mm 90mm D1:100.5 D2:73 H:53 Approx. 2410g 4991644175444 ¥40,500
8400M-76 76mm 90mm D1:101.5 D2:73 H:54 Approx. 2450g 4991644175451 ¥52,575
8400M-77 77mm － － － 4991644175468 ¥52,575
8400M-78 78mm 90mm D1:104 D2:75 H:52.5 Approx. 2500g 4991644175604 ¥52,575
8400M-80 80mm 95mm D1:106.5 D2:75 H:58 Approx. 2550g 4991644175475 ¥52,575
8400M-82 82mm 95mm D1:109 D2:78 H:59 Approx. 2995g 4991644175482 ¥54,075
8400M-83 83mm 95mm D1:110.5 D2:78 H:57 Approx. 3020g 4991644175499 ¥54,075
8400M-85 85mm 95mm D1:113 D2:80 H:57 Approx. 3190g 4991644175505 ¥59,850
8400M-90 90mm 100mm D1:119 D2:80 H:59 Approx. 3590g 4991644175529 ¥59,850
8400M-95 95mm 100mm D1:125.5 D2:85 H:58 Approx. 3950g 4991644175536 ¥59,850
8400M-100 100mm 100mm D1:131.5 D2:85 H:57 Approx. 4840g 4991644175543 ¥63,975

Square drive: 25.4mm (1 inch)

Official web catalog (2025-26 edition, page 142):Japanese ／ English

Google Product Category
English notation: Hardware > Tool Accessories > Tool Sockets
Japanese notation: DIY Supplies > Tool Accessories > Socket
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.

────────────────────────────────

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.

────────────────────────────────

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.

────────────────────────────────

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.

────────────────────────────────

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

────────────────────────────────

●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.

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.
Customers rate us 4.6/5 based on 48 reviews.
Next product candidates you are looking for
View more Ko-ken(コーケン)
Recently viewed items

新着商品