Astra Coated Bits&Bits SRB43-250AM 1/4" Aluminum Series Ball Nose CNC Bit

Astra Coated Bits&Bits SRB43-250AM – 1/4″ Aluminum Series 3 Flute Ball Nose CNC Bit

$38.50

Astra Coated
Tip Size: 1/4″ (6.350mm)c
Shank Diameter: 1/4″ (6.350mm)
Length of Cut: 1 in. (25.04mm)
Overall Tool Length: 2-1/2″ (63.5mm)
Made in the USA

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USPS Ground Advantage (1-3 Business Days) :	$5.43
Local Pickup in Silverton, Oregon :	FREE
Next Business Day Shipping :	$28.00

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SKU: SRB43-250AM Categories: 1/4" Shank Spiral Bits, Aluminum & Soft Metals Brand: Bits & Bits Co.

This data serves as a general guidance only. Actual SFM and chip load data may vary.

Aluminum / Aluminum Alloy

SFM: 1200-2400 – Chip Load inch/z : 0.0020-00035 –

High Strength Aluminum

SFM: 900-1400 – Chip Load inch/z: 0.0017-0.0030

Weight	0.07 lbs
Brand	Bits & Bits
Shank	1/4"
Cut Diameter	1/4" (.25")
Cut Length	3/4"
Cut Style	Ball Nose (Up-Cut)

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New, unused in-stock tools may be returned within 30 days of delivery for a full refund. Made-to-order tools such as engraving cutters with custom tip sizes are subject to a 20% restock fee if returned. The buyer is responsible for return shipping costs unless the return is the result of our error (i.e. you received an incorrect or defective item). Beyond 30 days, we reserve the right to offer refunds or store credit at our discretion, with the exception of warranty related requests. You can also exchange any unused item for one of our other tools. You will be responsible for shipping charges on any exchanges unless in error on our part.If your order arrives damaged in any way, please email us as soon as possible at [email protected] with your order number and a photo of the condition. For more information, see our Returns and Refunds page.

For more information see our returns and refunds page..

Defective Items

We are committed to ensuring all of our products are of high quality and will replace or refund items that we determine to be defective. In the event you believe you have a defective tool, please call us or email us at [email protected]. Include your order number and as much info as you can about your setup, i.e., CNC, router, speeds and feeds, material you’re cutting, etc. In most cases of what seemed to be a defective tool, we have been able to help a customer with proper settings or techniques for efficient use.