Variable Pitch Hole Saws

The new RIDGID Bi-Metal hole saws have just become more cost effective, while delivering maximum cutting performance.

They are now made of premium M42 High Speed Steel Cutting edge and have Patent Pending Tooth Set Design which double the life of the old hole saws.

External tests prove that the RIDGID Bi-Metal Hole Saws Cut Faster than similar top 5 competitor hole saws, with:

39% in 16 G 304 Stainless
10 % in 1/2" OSB Wood
12 % in 1/4" Mild Steel Plate

RIDGID Bi-Metal Hole Saws are ideal for wood, plastic, machinable metals, stainless steel alloys, nail-embedded wood cutting.

Show Less

Buy Now

Features

Premium M42 High Speed Steel Cutting Edge.
Patent Pending Tooth Set Design optimized to remove material faster.
Enhanced Product Life – 2 x’s the life of the old hole saws.
1-15/16” (49mm) Cutting Depth.
Side Slot for Increased Leverage for Fast and Easy Slug Removal.
Durable .050” side wall (prevents collapsing).
Cap reduces run out and vibration.
External coating reduces side wall friction for efficient cutting.

Note: Use RIDGID® Thread Cutting Oil on all metal except cast iron.

Support Documents

Warranty

Full Lifetime Warranty

Ordering Information

Catalog Number	Model No.	Size		Steel RPMs	S/Steel RPMs	Cast Iron RPMs	Brass RPMs	Aluminum RPMs
Catalog Number	Model No.	in.	mm	Steel RPMs	S/Steel RPMs	Cast Iron RPMs	Brass RPMs	Aluminum RPMs
52755	M14	9/16	14	580	300	400	790	900	Buy Now
52760	M16	5/8	16	550	275	365	730	825	Buy Now
52765	M17	11/16	17	500	250	330	665	750	Buy Now
52770	M19	3/4	19	460	230	300	600	690	Buy Now
15561	M20	25/32	20	425	210	280	560	630	Buy Now
52775	M21	13/16	21	390	195	260	520	585	Buy Now
52780	M22	7/8	22	370	185	245	495	555	Buy Now
52785	M24	15/16	24	350	175	235	470	525	Buy Now
52790	M25	1	25	325	160	215	435	480	Buy Now
52795	M27	1 1/6	27	310	155	210	420	465	Buy Now
52800	M29	1 1/8	29	300	150	200	400	450	Buy Now
52805	M30	1 3/32	30	285	145	190	280	425	Buy Now
52810	M32	1 1/4	32	275	140	180	360	410	Buy Now
52815	M33	1 9/32	33	260	135	175	345	390	Buy Now
52820	M35	1 3/8	35	250	125	165	330	375	Buy Now
52825	M37	1 15/32	37	240	120	160	315	360	Buy Now
52830	M38	1 1/2	38	230	115	150	300	345	Buy Now
52835	M40	1 9/16	40	220	110	145	290	330	Buy Now
52840	M41	1 5/8	41	210	105	140	280	315	Buy Now
52845	M43	1 11/16	43	205	100	135	270	305	Buy Now
52850	M44	1 3/4	44	195	95	130	260	295	Buy Now
52855	M46	1 13/16	46	190	95	125	250	285	Buy Now
52860	M48	1 7/8	48	180	90	120	240	270	Buy Now
52865	M51	2	51	170	85	115	230	255	Buy Now
52870	M52	2 1/16	52	165	80	110	220	245	Buy Now
52875	M54	2 1/8	54	160	80	105	210	240	Buy Now
52880	M57	2 1/4	57	150	75	100	200	225	Buy Now
52885	M59	2 5/16	59	145	75	100	195	225	Buy Now
52890	M60	2 3/8	60	140	70	95	190	220	Buy Now
52895	M64	2 1/2	64	135	65	90	180	205	Buy Now
52900	M65	2 9/16	65	130	65	85	175	200	Buy Now
52905	M67	2 5/8	67	130	65	85	175	200	Buy Now
52910	M70	2 3/4	70	125	60	80	160	185	Buy Now
52915	M73	2 7/8	73	120	60	80	160	180	Buy Now
52920	M76	3	76	115	55	75	150	170	Buy Now
52925	M79	3 1/8	79	110	55	70	140	165	Buy Now
52930	M83	3 1/4	83	105	50	70	140	155	Buy Now
52935	M86	3 3/8	86	100	50	70	130	150	Buy Now
52940	M89	3 1/2	89	95	45	65	130	145	Buy Now
52945	M92	3 5/8	92	95	45	60	120	140	Buy Now
52950	M95	3 3/4	95	90	45	60	120	135	Buy Now
52955	M98	3 7/8	98	90	45	60	120	135	Buy Now
52960	M102	4	102	85	40	55	110	130	Buy Now
52965	M105	4 1/8	105	80	40	55	110	120	Buy Now
52970R	M108	4 1/4	108	80	40	50	100	120	Buy Now
52975	M110	4 3/8	110	80	40	55	100	120	Buy Now
52980	M114	4 1/2	114	75	35	50	100	105	Buy Now
52985	M121	4 3/4	121	70	35	45	90	95	Buy Now
52990	M127	5	127	65	30	40	85	90	Buy Now
52995	M140	5 1/2	140	60	30	35	80	85	Buy Now
53000	M152	6	152	55	25	35	75	85	Buy Now

Reviews
Q&A

Have comments or questions? We'd love to hear from you.

Product Registration

RIDGID Tools are backed by the best coverage in the industry.

RIDGID Forum

Join the community and talk with other pros today.