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223 Products

About Flat Head Screws

About Rounded Head Screws

About Hex Head Screws and Bolts

Made to Japanese Industrial Standards, these Class 8.8 steel screws are suitable for fastening most machinery and equipment. The zinc yellow-chromate plating resists corrosion in wet environments. Length is measured from under the head.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch. Fine threads are closely spaced to prevent loosening from vibration.

For technical drawings and 3-D models, click on a part number.

			Head
Lg., mm	Threading	Thread Spacing	Wd., mm	Ht., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Zinc Yellow-Chromate Plated Class 8.8 Steel
M8 × 1.25 mm
12	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	00000
16	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
20	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
25	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
30	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
35	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
40	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
45	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	0000
50	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	00000
60	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	00000
70	Fully Threaded	Coarse	12	5.5	110,000	JIS B 1180	5	000000000	00000
M10 × 1.25 mm
20	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
25	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
30	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
35	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
40	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
45	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
50	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
60	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000
70	Fully Threaded	Fine	14	7	110,000	JIS B 1180	5	000000000	00000

JIS High-Strength Steel Flanged Hex Head Screws

Fully Threaded

Partially Threaded

Made to Japanese Industrial Standards, these Class 10.9 steel screws can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. The zinc plating provides corrosion resistance in wet environments. Head height includes the flange. Length is measured from under the flange.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance.

For technical drawings and 3-D models, click on a part number.

				Head, mm
Lg., mm	Threading	Min. Thread Lg., mm	Thread Spacing	Wd.	Ht.	Flange Dia., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Zinc-Plated Class 10.9 Steel
M5 × 0.8 mm
8	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	000000
10	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
12	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
16	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
20	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
25	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
30	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
40	Fully Threaded	__	Coarse	8	5	12	150,000	JIS B 1189 Type 2	25	000000000	00000
M6 × 1 mm
10	Fully Threaded	__	Coarse	10	6	14	150,000	JIS B 1189 Type 2	25	000000000	0000
12	Fully Threaded	__	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	0000
14	Fully Threaded	__	Coarse	10	6	14	150,000	JIS B 1189 Type 2	25	000000000	00000
16	Fully Threaded	__	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	0000
20	Fully Threaded	__	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	0000
25	Fully Threaded	__	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	00000
30	Partially Threaded	18	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	00000
35	Partially Threaded	18	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	00000
40	Partially Threaded	18	Coarse	10	6	14	150,000	JIS B 1189 Type 2	50	000000000	00000
M8 × 1.25 mm
10	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
12	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	0000
14	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
16	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	0000
18	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
20	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	0000
25	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
30	Fully Threaded	__	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
35	Partially Threaded	22	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
40	Partially Threaded	22	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
45	Partially Threaded	22	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
50	Partially Threaded	22	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
60	Partially Threaded	22	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	25	000000000	00000
65	Partially Threaded	24	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	5	000000000	00000
70	Partially Threaded	24	Coarse	12	8	17.5	150,000	JIS B 1189 Type 2	5	000000000	00000
M10 × 1.25 mm
16	Fully Threaded	__	Fine	14	10	21	150,000	JIS B 1189 Type 2	25	000000000	00000
20	Fully Threaded	__	Fine	14	10	21	150,000	JIS B 1189 Type 2	25	000000000	00000
25	Fully Threaded	__	Fine	14	10	21	150,000	JIS B 1189 Type 2	25	000000000	00000
30	Fully Threaded	__	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	0000
35	Fully Threaded	__	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	0000
40	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	0000
45	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	0000
50	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	0000
60	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	00000
70	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	00000
80	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	00000
90	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	00000
100	Partially Threaded	26	Fine	14	10	21	150,000	JIS B 1189 Type 2	10	000000000	00000
M12 × 1.25 mm
20	Fully Threaded	__	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	0000
25	Fully Threaded	__	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	0000
30	Fully Threaded	__	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	00000
35	Fully Threaded	__	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	00000
40	Partially Threaded	30	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	00000
45	Partially Threaded	30	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	00000
50	Partially Threaded	30	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	00000
55	Partially Threaded	30	Extra Fine	17	11.5	25	150,000	JIS B 1189 Type 2	10	000000000	00000

JIS Stainless Steel Pan Head Screws

Made to Japanese Industrial Standards, these screws have narrower and shorter heads than standard Phillips pan head screws. They are chemical resistant and may be mildly magnetic. Length is measured from under the head.

For technical drawings and 3-D models, click on a part number.

18-8 Stainless Steel
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	Drive Size	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
M3 × 0.5 mm
4	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	25	000000000	000000
5	Fully Threaded	5.50	2.40	No. 2	50,000	JIS B 1111	25	000000000	00000
6	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	25	000000000	00000
8	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	25	000000000	00000
10	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	25	000000000	00000
12	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	25	000000000	00000
16	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	25	000000000	00000
20	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	10	000000000	00000
25	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	10	000000000	00000
30	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	10	000000000	00000
35	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	10	000000000	00000
40	Fully Threaded	5.50	2.00	No. 2	50,000	JIS B 1111	5	000000000	00000
M4 × 0.7 mm
6	Fully Threaded	8.00	3.10	No. 2	50,000	JIS B 1111	10	000000000	00000
8	Fully Threaded	8.00	3.10	No. 2	50,000	JIS B 1111	10	000000000	00000
10	Fully Threaded	8.00	3.10	No. 2	50,000	JIS B 1111	10	000000000	00000
12	Fully Threaded	7.00	2.60	No. 2	50,000	JIS B 1111	10	000000000	00000
16	Fully Threaded	7.00	2.60	No. 2	50,000	JIS B 1111	10	000000000	00000
20	Fully Threaded	7.00	2.60	No. 2	50,000	JIS B 1111	10	000000000	00000
25	Fully Threaded	7.00	2.60	No. 2	50,000	JIS B 1111	10	000000000	00000
40	Fully Threaded	7.00	2.60	No. 2	50,000	JIS B 1111	5	000000000	00000
50	Fully Threaded	7.00	2.60	No. 2	50,000	JIS B 1111	5	000000000	00000
M5 × 0.8 mm
8	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	10	000000000	00000
10	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	5	000000000	00000
12	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	10	000000000	00000
16	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	5	000000000	00000
20	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	5	000000000	00000
25	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	5	000000000	00000
30	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	5	000000000	00000
35	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	5	000000000	00000
50	Fully Threaded	9.00	3.30	No. 2	50,000	JIS B 1111	1	000000000	0000
M6 × 1 mm
10	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	5	000000000	00000
12	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	5	000000000	00000
16	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	5	000000000	00000
20	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	5	000000000	00000
25	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	1	000000000	0000
30	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	1	000000000	0000
35	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	1	000000000	0000
40	Fully Threaded	10.50	3.90	No. 3	50,000	JIS B 1111	1	000000000	0000

JIS Steel Pan Head Screws

Made to Japanese Industrial Standards, these screws have narrower and shorter heads than standard Phillips pan head screws. They have a zinc plating to resist corrosion in wet environments. Length is measured from under the head.

For technical drawings and 3-D models, click on a part number.

Zinc-Plated Steel
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	Drive Size	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
M2 × 0.4 mm
3	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	00000
4	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	0000
5	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	0000
6	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	0000
8	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	0000
10	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	0000
12	Fully Threaded	3.50	1.30	No. 1	Not Rated	JIS B 1111	25	000000000	0000
M2.5 × 0.45 mm
4	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
6	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
8	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
10	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
12	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
M2.6 × 0.45 mm
4	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
6	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
8	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
10	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
12	Fully Threaded	4.50	1.70	No. 1	Not Rated	JIS B 1111	25	000000000	0000
M3 × 0.5 mm
4	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
5	Fully Threaded	5.50	2.00	No. 2	Not Rated	JIS B 1111	25	000000000	0000
6	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
8	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
10	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
12	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
16	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
20	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	0000
25	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	00000
30	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	00000
35	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	00000
40	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	00000
45	Fully Threaded	5.50	2.00	No. 2	60,000	JIS B 1111	25	000000000	00000
M4 × 0.7 mm
6	Fully Threaded	7.00	2.60	No. 2	Not Rated	JIS B 1111	25	000000000	0000
8	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	0000
10	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	0000
12	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	0000
16	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
20	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
25	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
30	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
35	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
40	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
45	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	25	000000000	00000
50	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	10	000000000	00000
60	Fully Threaded	7.00	2.60	No. 2	60,000	JIS B 1111	10	000000000	00000
M5 × 0.8 mm
6	Fully Threaded	9.00	3.30	No. 2	Not Rated	JIS B 1111	25	000000000	00000
8	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
10	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
12	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
16	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
20	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
25	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
30	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
35	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	25	000000000	00000
40	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	10	000000000	00000
45	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	10	000000000	00000
50	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	10	000000000	00000
60	Fully Threaded	9.00	3.30	No. 2	60,000	JIS B 1111	10	000000000	00000
M6 × 1 mm
10	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	25	000000000	00000
12	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	25	000000000	00000
16	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	25	000000000	00000
20	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	25	000000000	00000
25	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
30	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
35	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
40	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
50	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
60	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
70	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	10	000000000	00000
80	Fully Threaded	10.50	3.90	No. 3	60,000	JIS B 1111	5	000000000	00000

Metric Stainless Steel Pan Head Screws with Internal-Tooth Lock Washer

Made from stainless steel, these screws have good chemical resistance and may be mildly magnetic. They’re passivated for added protection against oxidation and corrosion. The washer has sharp internal teeth that dig into surfaces to resist large amounts of vibration while the smooth outside edge provides a finished look. Also known as Sems screws, the washer rotates freely but is permanently attached. Length is measured from under the head.

For technical drawings and 3-D models, click on a part number.

				Washer
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	OD, mm.	Thick., mm	Drive Size	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel
M3 × 0.5 mm
5	Fully Threaded	5.60	2.40	6.50	0.45	No. 2	70,000	JIS B 1188-D	25	000000000	000000
20	Fully Threaded	5.60	2.40	6.50	0.45	No. 1	70,000	JIS B 1188-D	10	000000000	00000
25	Fully Threaded	5.60	2.40	6.50	0.45	No. 1	70,000	JIS B 1188-D	10	000000000	00000
M4 × 0.7 mm
5	Fully Threaded	7.00	2.75	8.50	0.60	No. 2	70,000	JIS B 1188-D	25	000000000	00000
M5 × 0.8 mm
10	Fully Threaded	9.00	3.45	10.00	0.60	No. 2	70,000	JIS B 1188-D	10	000000000	00000
12	Fully Threaded	10.00	3.80	10.00	0.60	No. 2	70,000	JIS B 1188-D	10	000000000	00000

Metric Stainless Steel Pan Head Screws with External-Tooth Lock Washer

These stainless steel screws have good chemical resistance and may be mildly magnetic. They’re passivated for added protection against oxidation and corrosion. All have a washer with sharp external teeth that dig into surfaces for maximum holding power and vibration resistance. Also known as Sems screws, the washer rotates freely but is permanently attached. Length is measured from under the head.

For technical drawings and 3-D models, click on a part number.

				Washer
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	OD, mm.	Thick., mm	Drive Size	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
18-8 Stainless Steel
M3 × 0.5 mm
16	Fully Threaded	5.60	2.40	6.50	0.45	No. 2	70,000	JIS B 1188-C	10	000000000	00000
M4 × 0.7 mm
6	Fully Threaded	8.00	3.10	7.92	0.60	No. 2	70,000	JIS B 1188	10	000000000	0000
16	Fully Threaded	8.00	3.10	8.50	0.60	No. 2	70,000	JIS B 1188-C	10	000000000	00000
M5 × 0.8 mm
10	Fully Threaded	10.00	3.80	10.00	0.65	No. 2	70,000	JIS B 1188-C	10	000000000	00000
M6 × 1 mm
12	Fully Threaded	12.00	4.60	11.00	0.75	No. 3	70,000	JIS B 1188-C	10	000000000	00000

JIS Stainless Steel Flat Head Screws

These screws are made to Japanese Industrial Standards and have good chemical resistance. They’re angled under the head to sit flush within countersunk holes. Screws may be mildly magnetic. Length is measured from the top of the head.

For technical drawings and 3-D models, click on a part number.

18-8 Stainless Steel
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	Drive Size	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
M4 × 0.7 mm
8	Fully Threaded	8	2.3	No. 2	50,000	JIS B 1111	10	000000000	000000
10	Fully Threaded	8	2.3	No. 2	50,000	JIS B 1111	10	000000000	00000
12	Fully Threaded	8	2.3	No. 2	50,000	JIS B 1111	10	000000000	00000
16	Fully Threaded	8	2.3	No. 2	50,000	JIS B 1111	10	000000000	00000
20	Fully Threaded	8	2.3	No. 2	50,000	JIS B 1111	10	000000000	00000
M5 × 0.8 mm
8	Fully Threaded	10	2.8	No. 2	50,000	JIS B 1111	10	000000000	00000
10	Fully Threaded	10	2.8	No. 2	50,000	JIS B 1111	10	000000000	00000
12	Fully Threaded	10	2.8	No. 2	50,000	JIS B 1111	10	000000000	00000
16	Fully Threaded	10	2.8	No. 2	50,000	JIS B 1111	10	000000000	00000
20	Fully Threaded	10	2.8	No. 2	50,000	JIS B 1111	10	000000000	00000
30	Fully Threaded	10	2.8	No. 2	50,000	JIS B 1111	5	000000000	00000
M6 × 1 mm
8	Fully Threaded	12	3.4	No. 3	50,000	JIS B 1111	10	000000000	00000
10	Fully Threaded	12	3.4	No. 3	50,000	JIS B 1111	10	000000000	00000
12	Fully Threaded	12	3.4	No. 3	50,000	JIS B 1111	10	000000000	00000
14	Fully Threaded	12	3.4	No. 3	50,000	JIS B 1111	10	000000000	00000
16	Fully Threaded	12	3.4	No. 3	50,000	JIS B 1111	5	000000000	00000
20	Fully Threaded	12	3.4	No. 3	50,000	JIS B 1111	5	000000000	00000

JIS Steel Flat Head Screws

These screws are made to Japanese Industrial Standards. A zinc plating provides mild corrosion resistance. Screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.

For technical drawings and 3-D models, click on a part number.

Zinc-Plated Steel
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	Drive Size	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
M4 × 0.7 mm
8	Fully Threaded	8	2.3	No. 2	60,000	JIS B 1111	25	000000000	00000
10	Fully Threaded	8	2.3	No. 2	60,000	JIS B 1111	25	000000000	0000
14	Fully Threaded	8	2.3	No. 2	60,000	JIS B 1111	25	000000000	0000
16	Fully Threaded	8	2.3	No. 2	60,000	JIS B 1111	25	000000000	0000
20	Fully Threaded	8	2.3	No. 2	60,000	JIS B 1111	25	000000000	00000
M5 × 0.8 mm
8	Fully Threaded	10	2.8	No. 2	60,000	JIS B 1111	25	000000000	00000
10	Fully Threaded	10	2.8	No. 2	60,000	JIS B 1111	25	000000000	00000
16	Fully Threaded	10	2.8	No. 2	60,000	JIS B 1111	25	000000000	00000
30	Fully Threaded	10	2.8	No. 2	60,000	JIS B 1111	25	000000000	00000
35	Fully Threaded	10	2.8	No. 2	60,000	JIS B 1111	25	000000000	00000
M6 × 1 mm
8	Fully Threaded	12	3.4	No. 3	60,000	JIS B 1111	25	000000000	00000
10	Fully Threaded	12	3.4	No. 3	60,000	JIS B 1111	25	000000000	00000
12	Fully Threaded	12	3.4	No. 3	60,000	JIS B 1111	25	000000000	00000
14	Fully Threaded	12	3.4	No. 3	60,000	JIS B 1111	25	000000000	00000
16	Fully Threaded	12	3.4	No. 3	60,000	JIS B 1111	25	000000000	00000
20	Fully Threaded	12	3.4	No. 3	60,000	JIS B 1111	25	000000000	00000

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JIS Medium-Strength Steel Hex Head Screws

JIS High-Strength Steel Flanged Hex Head Screws

JIS Stainless Steel Pan Head Screws

JIS Steel Pan Head Screws

Metric Stainless Steel Pan Head Screws with Internal-Tooth Lock Washer

Metric Stainless Steel Pan Head Screws with External-Tooth Lock Washer

JIS Stainless Steel Flat Head Screws

JIS Steel Flat Head Screws