鋼絲螺套、螺紋護套的規格參數有公制和英制兩種，這兩種參數表如下：

符號說明：
d--鋼絲螺套公稱直徑（螺釘公稱直徑）　L—鋼絲螺套公稱長度（安裝后的螺紋長度）　　P--螺距
do--鉆絲套安裝用鉆頭直徑　　Dz--鋼絲螺套自由狀態下外徑　　N--鋼絲螺套自由狀態下圈數
 
公制鋼絲螺套規格、螺紋護套規格參數表

鋼絲螺套規格參數
螺紋規格d×p	k×d	鋼絲螺套安裝后長度L(mm)	鉆頭直徑do(mm)	自由狀態下外徑Dz(mm)	自由狀態螺套圈數N(≈)
2×0.4	1d 1.5d 2d	2 3 4	2	2.6-2.8	2.9 4.7 6.5
2.5×0.45	1d 1.5d 2d	2.5 3.75 5	2.6	3.3-3.5	3.5 5.9 8.1
3×0.5	1d 1.5d 2d	3 4.5 6	3.1	3.8-4.0	4 6.3 8.7
4×0.7	1d 1.5d 2d	4 6 8	4.1	5.15-5.35	3.7 6 8.4
5×0.8	1d 1.5d 2d	5 7.5 10	5.2	6.35-6.6	4.3 6.9 9.7
6×1	1d 1.5d 2d	6 9 12	6.2	7.6-7.85	4.2 7 9.6
7×1	1d 1.5d 2d	7 10.5 14	7.2	8.65-8.9	5.4 8.5 11.6
8×1	1d 1.5d 2d	8 12 16	8.2	9.85-10.1	6.1 9.5 13
8×1.25	1d 1.5d 2d	8 12 16	8.3	9.85-10.1	4.7 7.4 10.6
10×1	1d 1.5d 2d	10 15 20	10.2	12.1-12.5	7.6 12 16.3
10×1.5	1d 1.5d 2d	10 15 20	10.3	12.1-12.5	5 8 11.2
12×1.5	1d 1.5d 2d	12 18 24	12.4	14.4-14.8	6.2 9.8 13.5
12×1.75	1d 1.5d 2d	12 18 24	12.4	14.4-14.8	5.2 8.4 11.7
14×1.5	1d 1.5d 2d	14 21 28	14.4	17.2-17.7	7 11.2 15.3
16×1.5	1d 1.5d 2d	16 24 32	16.4	19.4-19.9	8.3 13 17.7
16×2	1d 1.5d 2d	16 24 32	16.5	19.4-19.9	6.0 9.7 13.3
18×1.5	0.5d 1.0d 1.5d	9 18 27	18.4	21.5-22	4.4 9.5 15
20×1.5	0.75d 1d 1.5d	15 20 30	20.4	23.7-24.2	8 10.7 16.7
20×2.5	1d 1.5d 2d	20 30 40	20.5	23.7-24.2	6.3 10 13.7
22×1.5	0.75d 1d 1.5d	16.5 22 33	22.4	26.3-26.8	8.6 11.7 18
24×1.5	0.75d 1d 1.5d	18 24 36	24.4	28.6-29.1	9.5 13 19.8
24×3	1d 1.5d 2d	24 36 48	24.6	28.6-29.1	6.3 10 14
26×1.5	0.5d 0.75d 1d	13 19.5 26	26.4	30.5-31	6.7 10.7 14.6
27×1.5	0.5d 0.75d 1d	13.5 20.3 27	27.4	32.2-32.7	6.7 10.7 14.6
27×2	0.5d 0.75d 1d	13.5 20.3 27	27.5	32.2-32.7	6.7 10.7 14.6
30×1..5	0.5d 0.75d 1d	15 22.5 30	30.4	35.2-35.7	7.8 12.2 16.5
30×3.5	1d 1.5d 2d	30 45 60	30.7	35.2-35.7	7 11 14.9
33×1.5	0.5d 0.75d 1d	16.6 24.5 33	33.4	38.3-38.8	9.1 13.7 18.3
39×2	0.5d 0.75d 1d	19.5 29.25 39	39.5	45.1-45.6	7.9 12.2 16.6
60×4	0.5d 1d	32 64	64.9	65-66	7.3 15.6

英制鋼絲螺套規格、螺紋護套規格參數表