Filter by
Flat Head Profile
Oval Head Profile
System of Measurement
Material
Tapping Method
Finish
Head Height
Threading
DFARS Specialty Metals
Export Control Classification Number (ECCN)
Drill Bit Size
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
About Tapping Screws
Compare drilling, pointed, thread-forming, and thread-cutting tips to find the best choice for your material.
Stainless Steel Phillips Flat Head Screws for Sheet Metal
![]() |
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | |||||||||||||
No. 0 Screw Size | |||||||||||||
| 1/8" | 0.112" | 0.025" | AB | No. 0 | 48 | 82° | Undercut | 55 Ga. | 50 | 90065A013 | 00000 | ||
| 3/16" | 0.112" | 0.025" | AB | No. 0 | 48 | 82° | Undercut | 55 Ga. | 50 | 90065A015 | 0000 | ||
No. 1 Screw Size | |||||||||||||
| 1/8" | 0.137" | 0.031" | AB | No. 0 | 42 | 82° | Undercut | 52 Ga. | 50 | 90065A044 | 0000 | ||
| 3/16" | 0.137" | 0.031" | AB | No. 0 | 42 | 82° | Undercut | 52 Ga. | 50 | 90065A047 | 0000 | ||
No. 2 Screw Size | |||||||||||||
| 1/8" | 0.162" | 0.036" | AB | No. 1 | 32 | 82° | Undercut | 48 Ga. | 50 | 90065A071 | 0000 | ||
| 3/16" | 0.162" | 0.036" | AB | No. 1 | 32 | 82° | Undercut | 48 Ga. | 50 | 90065A075 | 0000 | ||
No. 4 Screw Size | |||||||||||||
| 1/4" | 0.212" | 0.047" | A | No. 1 | 24 | 82° | Undercut | 44 Ga. | 100 | 90065A106 | 0000 | ||
No. 6 Screw Size | |||||||||||||
| 1/4" | 0.262" | 0.059" | A | No. 2 | 20 | 82° | Undercut | 32 Ga. | 100 | 90065A144 | 0000 | ||
| 3/8" | 0.262" | 0.058" | A | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 98903A200 | 0000 | ||
| 1/2" | 0.262" | 0.058" | A | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 98903A203 | 0000 | ||
| 5/8" | 0.262" | 0.058" | A | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 98903A206 | 0000 | ||
| 3/4" | 0.262" | 0.058" | A | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 98903A209 | 0000 | ||
No. 8 Screw Size | |||||||||||||
| 3/8" | 0.312" | 0.07" | AB | No. 2 | 18 | 82° | Undercut | 29 Ga. | 100 | 90065A192 | 00000 | ||
| 1/2" | 0.312" | 0.07" | A | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 98903A250 | 0000 | ||
| 5/8" | 0.312" | 0.07" | A | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 98903A253 | 00000 | ||
| 3/4" | 0.312" | 0.07" | A | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 98903A256 | 00000 | ||
| 1" | 0.312" | 0.07" | A | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 98903A259 | 00000 | ||
No. 10 Screw Size | |||||||||||||
| 3/8" | 0.362" | 0.081" | A | No. 2 | 16 | 82° | Undercut | 21 Ga. | 100 | 90065A240 | 0000 | ||
| 1/2" | 0.362" | 0.081" | A | No. 2 | 12 | 82° | Undercut | 21 Ga. | 100 | 90065A242 | 0000 | ||
| 5/8" | 0.362" | 0.081" | A | No. 2 | 12 | 82° | Undercut | 21 Ga. | 100 | 98903A308 | 00000 | ||
| 3/4" | 0.362" | 0.081" | A | No. 2 | 12 | 82° | Undercut | 21 Ga. | 100 | 98903A311 | 00000 | ||
| 1" | 0.362" | 0.081" | A | No. 2 | 12 | 82° | Undercut | 21 Ga. | 50 | 98903A314 | 00000 | ||
No. 12 Screw Size | |||||||||||||
| 1/2" | 0.412" | 0.092" | A | No. 3 | 11 | 82° | Undercut | 3/16" | 100 | 90065A290 | 00000 | ||
| 3/4" | 0.412" | 0.092" | A | No. 3 | 11 | 82° | Undercut | 3/16" | 50 | 98903A361 | 0000 | ||
No. 14 Screw Size | |||||||||||||
| 1/2" | 0.462" | 0.103" | A | No. 3 | 14 | 82° | Undercut | 5.5 mm | 50 | 90065A310 | 0000 | ||
| 5/8" | 0.462" | 0.103" | A | No. 3 | 10 | 82° | Undercut | 5.5 mm | 50 | 90065A312 | 0000 | ||
| 3/4" | 0.462" | 0.103" | A | No. 3 | 10 | 82° | Undercut | 5.5 mm | 50 | 98903A364 | 00000 | ||
Highly Corrosion-Resistant 316 Stainless Steel | |||||||||||||
No. 4 Screw Size | |||||||||||||
| 1/4" | 0.212" | 0.047" | AB | No. 1 | 24 | 82° | Undercut | 44 Ga. | 100 | 90198A100 | 0000 | ||
| 3/8" | 0.212" | 0.047" | A | No. 1 | 24 | 82° | Undercut | 44 Ga. | 100 | 90198A103 | 0000 | ||
No. 6 Screw Size | |||||||||||||
| 1/4" | 0.262" | 0.059" | AB | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 90198A141 | 0000 | ||
| 3/8" | 0.262" | 0.059" | A | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 90198A144 | 0000 | ||
No. 8 Screw Size | |||||||||||||
| 3/8" | 0.312" | 0.07" | AB | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 90198A211 | 0000 | ||
No. 10 Screw Size | |||||||||||||
| 1/2" | 0.362" | 0.081" | A | No. 2 | 12 | 82° | Undercut | 21 Ga. | 50 | 90198A302 | 0000 | ||
| 5/8" | 0.362" | 0.081" | A | No. 2 | 12 | 82° | Undercut | 21 Ga. | 50 | 90198A306 | 0000 | ||
Stainless Steel Phillips Flat Head Drilling Screws
Drill Tip | Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Point Size | Lg. | Dia. | Ht. | Max. Drilling Thk. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Pkg. Qty. | Pkg. | |||
410 Stainless Steel | |||||||||||||||
1/4" Screw Size | |||||||||||||||
| 3/4" | No. 3 | 5/16" | 0.477" | 0.107" | 0.21" | BSD | No. 3 | 14 | 82° | Undercut | 25 | 94195A310 | 000000 | ||
Blunt-Tip Wood Screws
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Drill Bit Size | Countersink Angle | Flat Head Profile | Approx. Threads per In. | Threading | Tapping Method | Tapping Screw Type Designation | Pkg. Qty. | Pkg. | |||
Nickel-Plated Steel | ||||||||||||||
1/4" | ||||||||||||||
| 3/8" | 0.295" | 0.09" | 1 Ga. | 90° | Undercut | 11 | Fully Threaded | Thread Forming | B | 50 | 92298A111 | 00000 | ||
| 7/16" | 0.295" | 0.09" | 1 Ga. | 90° | Undercut | 11 | Fully Threaded | Thread Forming | B | 50 | 92298A112 | 0000 | ||
| 1/2" | 0.295" | 0.09" | 1 Ga. | 90° | Undercut | 11 | Fully Threaded | Thread Forming | B | 50 | 92298A113 | 0000 | ||
| 9/16" | 0.295" | 0.09" | 1 Ga. | 90° | Undercut | 11 | Fully Threaded | Thread Forming | B | 50 | 92298A114 | 0000 | ||
| 13/16" | 0.295" | 0.09" | 1 Ga. | 90° | Undercut | 11 | Fully Threaded | Thread Forming | B | 50 | 92298A115 | 00000 | ||
Steel Phillips Flat Head Screws for Sheet Metal
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Pkg. Qty. | Pkg. | |||
Black-Oxide Steel | |||||||||||||
No. 8 Screw Size | |||||||||||||
| 3/8" | 0.312" | 0.07" | A, AB | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 90033A201 | 000000 | ||
No. 10 Screw Size | |||||||||||||
| 1/2" | 0.362" | 0.081" | AB | No. 2 | 12 | 82° | Undercut | 21 Ga. | 100 | 90033A310 | 00000 | ||
Zinc-Plated Steel | |||||||||||||
No. 4 Screw Size | |||||||||||||
| 1/4" | 0.212" | 0.047" | AB | No. 1 | 24 | 82° | Undercut | 44 Ga. | 100 | 90048A106 | 0000 | ||
No. 6 Screw Size | |||||||||||||
| 1/4" | 0.262" | 0.059" | A, AB | No. 2 | 18 | 82° | Undercut | 32 Ga. | 100 | 90048A144 | 00000 | ||
No. 8 Screw Size | |||||||||||||
| 3/8" | 0.312" | 0.07" | A, AB | No. 2 | 15 | 82° | Undercut | 29 Ga. | 100 | 90048A192 | 0000 | ||
No. 10 Screw Size | |||||||||||||
| 3/8" | 0.362" | 0.081" | A, AB | No. 2 | 12 | 82° | Undercut | 21 Ga. | 100 | 90048A240 | 0000 | ||
| 1/2" | 0.362" | 0.081" | A, AB | No. 2 | 12 | 82° | Undercut | 21 Ga. | 100 | 90048A242 | 0000 | ||
No. 12 Screw Size | |||||||||||||
| 1/2" | 0.412" | 0.092" | A, AB | No. 3 | 11 | 82° | Undercut | 3/16" | 100 | 90048A290 | 00000 | ||
No. 14 Screw Size | |||||||||||||
| 1/2" | 0.462" | 0.103" | A, AB | No. 3 | 10 | 82° | Undercut | 5.5 mm | 25 | 90048A308 | 0000 | ||
| 5/8" | 0.462" | 0.103" | A, AB | No. 3 | 10 | 82° | Undercut | 5.5 mm | 100 | 90048A310 | 00000 | ||
Steel Phillips Flat Head Thread-Cutting Screws
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Shank Cross Section | Pkg. Qty. | Pkg. | |||
Zinc-Plated Steel | ||||||||||||||
No. 2 Screw Size | ||||||||||||||
| 1/8" | 0.162" | 0.036" | F | No. 1 | 56 | 82° | Undercut | 49 Ga. | Round | 25 | 90086A601 | 000000 | ||
| 3/16" | 0.162" | 0.036" | F | No. 1 | 56 | 82° | Undercut | 49 Ga. | Round | 25 | 90086A602 | 00000 | ||
No. 4 Screw Size | ||||||||||||||
| 1/4" | 0.212" | 0.047" | F | No. 1 | 40 | 82° | Undercut | 41 Ga. | Round | 50 | 90086A606 | 00000 | ||
| 5/16" | 0.212" | 0.047" | F | No. 1 | 40 | 82° | Undercut | 41 Ga. | Round | 50 | 90086A607 | 00000 | ||
No. 6 Screw Size | ||||||||||||||
| 1/4" | 0.262" | 0.059" | F | No. 2 | 32 | 82° | Undercut | 31 Ga. | Round | 100 | 90086A144 | 00000 | ||
No. 8 Screw Size | ||||||||||||||
| 3/8" | 0.312" | 0.07" | F | No. 2 | 32 | 82° | Undercut | 26 Ga. | Round | 100 | 90086A192 | 00000 | ||
No. 10 Screw Size | ||||||||||||||
| 1/2" | 0.362" | 0.081" | F | No. 2 | 24 | 82° | Undercut | 17 Ga. | Round | 100 | 90086A242 | 00000 | ||
| 1/2" | 0.362" | 0.081" | F | No. 2 | 32 | 82° | Undercut | 17 Ga. | Round | 100 | 90086A829 | 00000 | ||
Stainless Steel Phillips Flat Head Thread-Cutting Screws
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Shank Cross Section | Pkg. Qty. | Pkg. | |||
410 Stainless Steel | ||||||||||||||
No. 8 Screw Size | ||||||||||||||
| 3/8" | 0.312" | 0.07" | F | No. 2 | 32 | 82° | Undercut | 26 Ga. | Round | 100 | 92485A622 | 00000 | ||
No. 10 Screw Size | ||||||||||||||
| 1/2" | 0.362" | 0.081" | F | No. 2 | 24 | 82° | Undercut | 17 Ga. | Round | 100 | 92485A405 | 00000 | ||
| 1/2" | 0.362" | 0.081" | F | No. 2 | 32 | 82° | Undercut | 17 Ga. | Round | 100 | 92485A633 | 00000 | ||
Hinge Screws
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Shank Cross Section | Pkg. Qty. | Pkg. | |||
Zinc-Plated Steel | ||||||||||||||
No. 12 Screw Size | ||||||||||||||
| 1/2" | 0.412" | 0.092" | F | No. 3 | 24 | 82° | Undercut | 8 Ga. | Round | 25 | 93380A400 | 00000 | ||
Brass-Plated Steel | ||||||||||||||
No. 12 Screw Size | ||||||||||||||
| 1/2" | 0.412" | 0.092" | F | No. 3 | 24 | 82° | Undercut | 8 Ga. | Round | 10 | 93380A100 | 0000 | ||
Bronze-Plated Steel | ||||||||||||||
No. 12 Screw Size | ||||||||||||||
| 1/2" | 0.412" | 0.092" | F | No. 3 | 24 | 82° | Undercut | 8 Ga. | Round | 25 | 93380A200 | 00000 | ||
Chrome-Plated Steel | ||||||||||||||
No. 12 Screw Size | ||||||||||||||
| 1/2" | 0.412" | 0.092" | F | No. 3 | 24 | 82° | Undercut | 8 Ga. | Round | 25 | 93380A300 | 00000 | ||
Stainless Steel Phillips Flat Head Blunt Screws for Sheet Metal
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Shank Cross Section | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | ||||||||||||||
No. 4 Screw Size | ||||||||||||||
| 1/4" | 0.212" | 0.047" | B | No. 1 | 24 | 82° | Undercut | 44 Ga. | Round | 100 | 93195A110 | 00000 | ||
No. 8 Screw Size | ||||||||||||||
| 3/8" | 0.312" | 0.07" | B | No. 2 | 18 | 82° | Undercut | 29 Ga. | Round | 100 | 93195A322 | 0000 | ||
No. 10 Screw Size | ||||||||||||||
| 3/8" | 0.362" | 0.081" | B | No. 2 | 16 | 82° | Undercut | 21 Ga. | Round | 100 | 93195A426 | 0000 | ||
| 1/2" | 0.362" | 0.081" | B | No. 2 | 16 | 82° | Undercut | 21 Ga. | Round | 100 | 93195A429 | 00000 | ||
Stainless Steel Phillips Oval Head Screws for Sheet Metal
![]() |
Head | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Drill Bit Size | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | ||||||||||||
No. 8 Screw Size | ||||||||||||
| 3/8" | 0.312" | 0.123" | AB | No. 2 | 15 | 82° | 29 Ga. | 100 | 90315A461 | 00000 | ||
No. 10 Screw Size | ||||||||||||
| 3/8" | 0.362" | 0.142" | AB | No. 2 | 12 | 82° | 21 Ga. | 100 | 90315A495 | 0000 | ||
| 1/2" | 0.362" | 0.142" | A | No. 2 | 12 | 82° | 21 Ga. | 100 | 90315A498 | 0000 | ||
| 5/8" | 0.362" | 0.142" | A | No. 2 | 12 | 82° | 21 Ga. | 100 | 90315A501 | 0000 | ||
No. 12 Screw Size | ||||||||||||
| 1/2" | 0.412" | 0.161" | A | No. 3 | 11 | 82° | 3/16" | 100 | 90315A542 | 00000 | ||
Highly Corrosion-Resistant 316 Stainless Steel | ||||||||||||
No. 8 Screw Size | ||||||||||||
| 3/8" | 0.312" | 0.123" | A | No. 2 | 15 | 82° | 29 Ga. | 100 | 95639A362 | 0000 | ||
No. 10 Screw Size | ||||||||||||
| 1/2" | 0.362" | 0.142" | A | No. 2 | 12 | 82° | 21 Ga. | 100 | 95639A401 | 00000 | ||
Steel Phillips Oval Head Screws for Sheet Metal
Steel Phillips Flat Head Blunt Screws for Sheet Metal
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Shank Cross Section | Pkg. Qty. | Pkg. | |||
Zinc-Plated Steel | ||||||||||||||
No. 4 Screw Size | ||||||||||||||
| 1/4" | 0.212" | 0.047" | B | No. 1 | 24 | 82° | Undercut | 44 Ga. | Round | 100 | 90055A106 | 00000 | ||
No. 8 Screw Size | ||||||||||||||
| 3/8" | 0.312" | 0.07" | B | No. 2 | 18 | 82° | Undercut | 29 Ga. | Round | 100 | 90055A192 | 0000 | ||
No. 10 Screw Size | ||||||||||||||
| 3/8" | 0.362" | 0.081" | B | No. 2 | 16 | 82° | Undercut | 21 Ga. | Round | 100 | 90055A309 | 0000 | ||
| 1/2" | 0.362" | 0.081" | B | No. 2 | 16 | 82° | Undercut | 21 Ga. | Round | 100 | 90055A312 | 0000 | ||
Stainless Steel Phillips Flat Head Drilling Screws for Joining Wood to Sheet Metal
Head | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Drill Point Size | Drill Tip Lg. | Flat Head Profile | Approx. Threads per In. | Threading | Tapping Method | Pkg. Qty. | Pkg. | |||
Galvanic-Barrier-Coated 18-8 Stainless Steel | |||||||||||||
No. 12 | |||||||||||||
| 1" | 0.415" | 0.09" | No. 2 | 19/64" | Undercut | 14 | Fully Threaded | Thread Forming | 10 | 90420A760 | 00000 | ||
| 1 1/2" | 0.415" | 0.09" | No. 2 | 19/64" | Undercut | 14 | Fully Threaded | Thread Forming | 10 | 90420A763 | 00000 | ||
1/4"-20 | |||||||||||||
| 3" | 0.48" | 0.1" | No. 3 | 5/16" | Undercut | — | Partially Threaded | Thread Forming | 5 | 90420A766 | 00000 | ||
| 4" | 0.48" | 0.1" | No. 3 | 5/16" | Undercut | — | Partially Threaded | Thread Forming | 5 | 90420A769 | 00000 | ||
Stainless Steel Phillips Flat Head Thread-Forming Screws for Plastic
Head | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Tapping Screw Type Designation | Drive Size | Approx. Threads per In. | Countersink Angle | Flat Head Profile | Drill Bit Size | Shank Cross Section | Pkg. Qty. | Pkg. | |||
18-8 Stainless Steel | ||||||||||||||
No. 4 Screw Size | ||||||||||||||
| 1/4" | 0.212" | 0.047" | TRS | No. 1 | 20 | 82° | Undercut | 44 Ga. | Tri-Lobe | 50 | 90485A111 | 000000 | ||
No. 6 Screw Size | ||||||||||||||
| 1/4" | 0.262" | 0.059" | TRS | No. 2 | 19 | 82° | Undercut | 32 Ga. | Tri-Lobe | 50 | 90485A112 | 00000 | ||
No. 8 Screw Size | ||||||||||||||
| 3/8" | 0.312" | 0.070" | TRS | No. 2 | 16 | 82° | Undercut | 29 Ga. | Tri-Lobe | 25 | 90485A113 | 0000 | ||
No. 10 Screw Size | ||||||||||||||
| 3/8" | 0.362" | 0.081" | TRS | No. 2 | 14 | 82° | Undercut | 21 Ga. | Tri-Lobe | 25 | 90485A114 | 00000 | ||
| 1/2" | 0.362" | 0.081" | TRS | No. 2 | 14 | 82° | Undercut | 21 Ga. | Tri-Lobe | 25 | 90485A115 | 00000 | ||


































