This blade size should not be difficult to find. We currently offer item #44332 and Item #59757 for 8 1/4" blades.
Free Gift Card Details
- The promotion will be automatically applied on the Shopping Cart page.
- To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
- Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
- E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
- Free e-gift cards expire 10/01/26.
- Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
- Valid online and in participating retail stores.
- Limited-time offer. Subject to change without notice.
Skilsaw Worm Drive Circular Saw — 8 1/4in., 15 Amp, Model# SPT78W-22

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
This item is no longer available.
- Die cast aluminum motor and gear housings for durability
- 22 Amp switch and heavy-gauge cord for dependability
- 60° bevel feature cuts 2X stock in 1 pass
- Precision-machined worm gears for maximum power
- Oil level indicator and relief bellows for long life
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
What's Included
- (1) Worm drive circular saw
Features + Benefits
- Die cast aluminum motor and gear housings for durability
- 22 Amp switch and heavy-gauge cord for dependability
- 60° bevel feature cuts 2X stock in 1 pass
- Precision-machined worm gears for maximum power
- Oil level indicator and relief bellows for long life
- 15 Amp Dual-Field™ motor for cool operation and longevity
- Cutting depth at 90° is 2 7/8in.
- Cutting depth at 45° is 1 15/16
- Diablo 8 1/4in. Carbide 24T blade for superior performance
- 8ft. cord
Key Specs
| Attribute | Specification |
|---|---|
item# | 63546 |
Brand | Skilsaw |
Manufacturer's Warranty | 1 year Limited Warranty |
Ship Weight | 21.2 LB |
Blade Diameter | 8.25 in |
Amps | 15 |
Volts | 120 |
Max. Speed | 4,700 rpm |
Bevel Capacity | 60 ° |
| Attribute | Specification |
|---|---|
Arbor Size | 7/8 in |
Blade Location | Left |
Blade Included | Yes |
Max. Cut Depth at 90 Degrees | 2 7/8 |
Max. Cut Depth at 45 Degrees | 1 15/16 |
Power Cord Length | 8 ft |
Storage Type | None |
Tool Weight | 16.5 lb |
Dimensions L x W x H (in.) | 20.75 x 8 x 9.25 in |
Reviews
Questions & Answers
Questions
-
· 5 years ago
The saw blade is 8 1/4" and most blades for circular saws are 7 1/4". Is this blade size hard to find?
1 answer-
ProductExpert31· 5 years ago
Helpful?
-
Accessories We Recommend
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Warranty
Manufacturer's Warranty
1 year Limited Warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
Compare with Most Popular in Circular Saws
See All Circular Saws
See All Circular Saws
Currently Viewing This Product
- $129.00Reg $159.00Save $30.00
Order today to get this price.
Shipping:
Free shipping (lower 48 states) - Available nowStore Pickup:
Not Available
Item # 98949
$499.00Shipping:
Free shipping (lower 48 states) - Available nowStore Pickup:
Not Available
Item # 72181
$229.00Shipping:
Free shipping (lower 48 states) - Available nowStore Pickup:
Not Available
Specifications
8.25 in
6.5 in
8 in
7.25 in
15
-
-
-
120
20
18
18
4,700 rpm
5,150 rpm
4,000 rpm
5,000 rpm
60 °
50 °
0 °
50 °
7/8 in
5/8 in
1/2 in
5/8 in
Left
Left
Centered
Right
Yes
Yes
Yes
Yes
2 7/8
2.25 in
2.563 in
2.5 in
1 15/16
1.625 in
-
1.875 in
8 ft
-
-
-
None
None
None
None
16.5 lb
8.4 lb
12.1 lb
7.2 lb
20.75 x 8 x 9.25 in
48.0 x 40.0 x 48.0 in
15.5 x 10.625 x 10.12 in
13.0 x 7.0 x 11.0 in
-
Yes
Yes
Yes
-
Wood
Metal
Wood & Metal
-
Lithium-ion
Lithium-ion
Lithium-ion
-
8.4000 lb
12.1000 lb
8.8100 lb
-
-
Sidewinder
Worm Drive






