[4100A-1/4〜4100A-9/16] Ko-ken 1/2"(12.7mm)SQ. Stud Bolt Extractor, Single Item (6 Sizes Available)

Ko-ken SKU: 4100A-1/4
Size
Selling price (Please note that the price is displayed excluding tax for carts compatible with both Japan and overseas.)
Regular Price $725.00
Regular Price Selling Price $725.00
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Specifications of the selected size
Part No.
4100A-1/4
Overall length
Dimensions
Weight
JAN
4991644090013
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  • 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 piece of the selected size (part number) will be delivered.

Ko-ken
[4100A-1/4〜4100A-9/16]
1/2"(12.7mm)SQ. Stud Bolt Extractor All 6 Sizes (1/4inch to 9/16inch)

Part No. Size Weight JAN Price
4100A-1/4 1/4inch - 4991644090013 ¥2,466
4100A-5/16 5/16inch - 4991644090020 ¥2,466
4100A-3/8 3/8inch - 4991644090037 ¥2,676
4100A-7/16 7/16inch - 4991644090044 ¥2,676
4100A-1/2 1/2inch - 4991644090051 ¥2,676
4100A-9/16 9/16inch Approx. 326g 4991644090068 ¥2,964

Square drive: 12.7mm (1/2 inch)

Official web catalog:Japanese / English

Google Product Category
English notation: Hardware > Tools
Japanese notation: DIY Supplies > Tools
Category ID: 1167

●Shipping cost
Shipping cost for your destination is shown in the cart.

●Duties & taxes
US & EU: duties and VAT are prepaid at checkout (DDP), nothing to pay on delivery.
Other countries: duties and taxes are paid on delivery (DDU).

●Why our terms change
Customs rules keep changing: the US abolished its duty-free threshold (August 2025) and the EU changed its customs rules (July and November 2026). We adjust our carriers and DDP/DDU terms provisionally. If the terms differ from a previous order, this is why.

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