will this fit a 1604A?

This plunge base is made for the 1617 router motor which is very different than the 1604 series. I happen to own both models. So no, I do not believe it will fit the older model router.

Does this fit the 1617 router?

In the product description it says it is made for the 1617.

Will a Bosch ra1126 guide adapter or any of the ra1128 router template guides fit into this plunge base?

Yes, the RA1128 Template Guide Set works with the Bosch RA166. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

what is the warranty for the 1166

The RA1166 plunge base is an accessory that doesn't come with a warranty as it is a wear-and-tear item. For more information, please call 1-877-BOSCH99 (1-877-267-2499) from 7 a.m. to 7 p.m. CST.

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Bosch RA1166 Plunge Router Base

Product ID: 20843059

Details

Base Type
Plunge
Brand
Bosch
Item Weight
3 Pounds
Material
Blend
Power Source
Corded

📏Precision centering design

🪵Optimized for woodworking with Bosch palm routers

⚙️Plunge release lever for smooth depth control

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3888 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Base Type
Plunge
Brand
Bosch
Item Weight
3 Pounds

Description

⚡ Elevate your woodworking game with precision plunge control!

DURABLE BLEND MATERIAL - Built to withstand tough woodworking projects with lasting reliability.
SEAMLESS COMPATIBILITY - Perfectly engineered to fit Bosch 1617 and 1618 router motors without hassle.
EFFORTLESS ADJUSTABILITY - Smooth plunge release lever ensures quick, repeatable adjustments on the fly.
PRECISION CRAFTED CONTROL - Experience flawless plunge depth steps for ultra-accurate cuts every time.
PRO LEVEL WOODWORKING UPGRADE - Transform your fixed base router into a versatile plunge powerhouse.

The Bosch RA1166 Plunge Router Base is a durable, precision-engineered accessory designed for Bosch 1617 and 1618 palm routers. Featuring a smooth plunge release lever and precision centering design, it enables highly accurate, repeatable depth control for professional-grade woodworking projects. Crafted from a robust blend material, this plunge base enhances your router’s versatility and performance, making it an essential upgrade for serious craftsmen.

Specifications

ASIN	B00005RHPF
Base Type	Plunge
Battery Description	Corded electric
Best Sellers Rank	#148,520 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #751 in Power Tool Replacement Parts
Brand	Bosch
Brand Name	Bosch
Color	Multi
Customer Reviews	4.7 out of 5 stars 336 Reviews
Global Trade Identification Number	00000346318739
Included Components	1 Plunge Base
Item Type Name	Plunge Router Base
Item Weight	3 Pounds
Manufacturer	Bosch
Manufacturer Part Number	RA1166
Material	Blend
Material Type	Blend
Model Number	RA1166
Power Source	Corded Electric
UPC	000346318739
Unit Count	1.0 Count

Reviews

M**K

3.08.2023

S**N

19.03.2023

B**N

23.10.2025

F**E

23.11.2016

C**O

14.03.2026

B**A

18.03.2017

R**T

11.10.2024

K**R

1.04.2022

G**O

21.12.2020

W**S

3.09.2025

C**Z

9.01.2022

A**R

11.12.2022

A**N

3.03.2025

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