GRK #10 x 3 in. Star Drive Construction Screws, 100-Pack vs DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder (Tool Only)
What separates them
These two differ on 1 recorded specification. The DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder (Tool Only) is $129.03 dearer. They are different kinds of product — construction screws against cordless angle grinder — so read the table as two spec sheets rather than a like-for-like.
GRK #10 x 3 in. Star Drive Construction Screws, 100-Pack vs DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder (Tool Only)
GRK
GRK #10 x 3 in. Star Drive Construction Screws, 100-Pack
$29.97
The star drive is the point: it does not cam out the way a Phillips head does, so the driver stays in the screw and the head survives being driven and backed out repeatedly.
Full details →DEWALT
DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder (Tool Only)
$159.00
A cordless grinder trades runtime for the cable, and that trade only works with a 5 Ah battery or larger -- on a 2 Ah pack this cuts for a few minutes at a time.
Full details →Who the GRK #10 x 3 in. Star Drive Construction Screws, 100-Pack is for
Buy it if: Deck framing, treated lumber and any assembly that will be taken apart again.
Avoid it if: Marine and coastal exposure, which needs stainless rather than a coating.
Who the DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder is for
Buy it if: Trades already on 20V MAX who need a grinder away from power.
Avoid it if: Continuous cutting or grinding, where a corded grinder is cheaper and never stops.
Specifications, side by side
1 of 17 rows differ. Differences first.
| Specification | GRK #10 x 3 in. Star Drive Construction Screws, 100-Pack | DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder |
|---|---|---|
| Price | $29.97 | $159.00 |
| Warranty | Manufacturer defect warranty | 3-year limited warranty, 1-year free service |
| Batteries included | not published | None -- tool only |
| Battery platform | not published | DEWALT 20V MAX |
| Bit included | Yes, T-25 | not published |
| Coating | Climate coating for treated lumber | not published |
| Drive type | T-25 star drive | not published |
| Head style | Washer head | not published |
| Length | 3 in | not published |
| Motor type | not published | Brushless XR |
| No-load speed | not published | 9,000 rpm |
| Pack quantity | 100 | not published |
| Safety features | not published | Electronic brake and kickback brake |
| Screw gauge | #10 | not published |
| Spindle thread | not published | 5/8 in-11 |
| Thread type | W-Cut, no pilot hole needed | not published |
| Tool weight | not published | 4.0 lb bare |
| Wheel diameter | not published | 4-1/2 in |
Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.
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