液压放油塞，液压放油螺塞，液压钢塞，液压管塞，液压适配器，六角套筒管塞，钢制油塞，铝制油塞，放油螺帽，带螺纹的堵头，钢制止动塞和空心钢塞。
1）具有高压液压塞。
2）DIN，SAE，ISO，JIS和BS等的覆盖标准
3）材料：碳钢和铝6061。
4）表面处理：镀锌钢，天然铝和阳极氧化铝。各系列不锈钢同样可以（304，304L,316,316L)
5）线程类型：公制线程，BSP线程和UNC等。
6）用途：液压设备，变速箱，减速器，汽车，汽车，卡车，泵和动力传动系统。
| Steel Sockets Plug White Zinc Plated With Captive Seal | |||||||
| Item No. | Size | A(mm) | B(mm) | C(mm) | D(mm) | SW(mm) | Standard |
| GM-SEM08 | M8 | 11.9 | 4 | 8 | M8x1 | 4 | ISO9974-2 Type E /ENTON:4BN-WD /Parker:VSTI R-ED /HANSA FLEX:VHR 90ED |
| GM-SEM10 | M10 | 13.9 | 4 | 8 | M10x1 | 5 | |
| GM-SEM12 | M12 | 16.9 | 5 | 12 | M12x1.5 | 6 | |
| GM-SEM14 | M14 | 18.9 | 5 | 12 | M14x1.5 | 6 | |
| GM-SEM16 | M16 | 21.9 | 5 | 12 | M16x1.5 | 8 | |
| GM-SEM18 | M18 | 23.9 | 5 | 12 | M18x1.5 | 8 | |
| GM-SEM20 | M20 | 25.9 | 5 | 14 | M20x1.5 | 10 | |
| GM-SEM22 | M22 | 26.9 | 5 | 14 | M22x1.5 | 10 | |
| GM-SEM26 | M26 | 31.9 | 5 | 16 | M26x1.5 | 12 | |
| GM-SEM27 | M27 | 31.9 | 5 | 16 | M27x1.5 | 12 | |
| GM-SEMD27 | M27 | 31.9 | 5 | 16 | M27x2 | 12 | |
| GM-SEM33 | M33 | 39.9 | 6.5 | 18 | M33x1.5 | 17 | |
| GM-SEMD33 | M33 | 39.9 | 6.5 | 18 | M33x2 | 17 | |
| GM-SEM42 | M42 | 49.9 | 6.5 | 20 | M42x2 | 22 | |
| GM-SEM48 | M48 | 54.9 | 6.6 | 22 | M48x2 | 24 | |
| GM-SEG18 | 1/8" | 13.9 | 4.2 | 8 | G 1/8"-28 | 5 | DIN3852 Type E /ENTON:4MN-WD /PARKER:VSTI M-ED /HANSA FLEX:VHM 90ED |
| GM-SEG14 | 1/4" | 18.9 | 5.2 | 12 | G 1/4"-19 | 6 | |
| GM-SEG38 | 3/8" | 21.9 | 5.2 | 12 | G 3/8"-19 | 8 | |
| GM-SEG12 | 1/2" | 26.9 | 5.2 | 14 | G 1/2"-14 | 10 | |
| GM-SEG34 | 3/4" | 31.9 | 5.2 | 16 | G 3/4"-14 | 12 | |
| GM-SEG10 | 1" | 39.9 | 6.8 | 16 | G 1"-11 | 17 | |
| GM-SEG114 | 1 1/4" | 49.9 | 6.8 | 20 | G 1 1/4"-11 | 22 | |
| GM-SEG112 | 1 1/2" | 54.9 | 6.8 | 22 | G 1 1/2"-11 | 24 | |
| Steel Sockets Plug Color Zinc Plated With Captive Seal | |||||||
| Item No. | Size | A(mm) | B(mm) | C(mm) | D(mm) | SW(mm) | Standard |
| GM-SEM08 | M8 | 11.9 | 4 | 8 | M8x1 | 4 | ISO9974-2 Type E /ENTON:4BN-WD /Parker:VSTI R-ED /HANSA FLEX:VHR 90ED |
| GM-SEM10 | M10 | 13.9 | 4 | 8 | M10x1 | 5 | |
| GM-SEM12 | M12 | 16.9 | 5 | 12 | M12x1.5 | 6 | |
| GM-SEM14 | M14 | 18.9 | 5 | 12 | M14x1.5 | 6 | |
| GM-SEM16 | M16 | 21.9 | 5 | 12 | M16x1.5 | 8 | |
| GM-SEM18 | M18 | 23.9 | 5 | 12 | M18x1.5 | 8 | |
| GM-SEM20 | M20 | 25.9 | 5 | 14 | M20x1.5 | 10 | |
| GM-SEM22 | M22 | 26.9 | 5 | 14 | M22x1.5 | 10 | |
| GM-SEM26 | M26 | 31.9 | 5 | 16 | M26x1.5 | 12 | |
| GM-SEM27 | M27 | 31.9 | 5 | 16 | M27x1.5 | 12 | |
| GM-SEMD27 | M27 | 31.9 | 5 | 16 | M27x2 | 12 | |
| GM-SEM33 | M33 | 39.9 | 6.5 | 18 | M33x1.5 | 17 | |
| GM-SEMD33 | M33 | 39.9 | 6.5 | 18 | M33x2 | 17 | |
| GM-SEM42 | M42 | 49.9 | 6.5 | 20 | M42x2 | 22 | |
| GM-SEM48 | M48 | 54.9 | 6.6 | 22 | M48x2 | 24 | |
| GM-SEG18 | 1/8" | 13.9 | 4.2 | 8 | G 1/8"-28 | 5 | DIN3852 Type E /ENTON:4MN-WD /PARKER:VSTI M-ED /HANSA FLEX:VHM 90ED |
| GM-SEG14 | 1/4" | 18.9 | 5.2 | 12 | G 1/4"-19 | 6 | |
| GM-SEG38 | 3/8" | 21.9 | 5.2 | 12 | G 3/8"-19 | 8 | |
| GM-SEG12 | 1/2" | 26.9 | 5.2 | 14 | G 1/2"-14 | 10 | |
| GM-SEG34 | 3/4" | 31.9 | 5.2 | 16 | G 3/4"-14 | 12 | |
| GM-SEG10 | 1" | 39.9 | 6.8 | 16 | G 1"-11 | 17 | |
| GM-SEG114 | 1 1/4" | 49.9 | 6.8 | 20 | G 1 1/4"-11 | 22 | |
| GM-SEG112 | 1 1/2" | 54.9 | 6.8 | 22 | G 1 1/2"-11 | 24 | |
| Steel Sockets Oil Drian Plugs Zinc Plated With O-Ring | |||||||
| Item No. | Size | A | B | C | D | SW | Standard |
| GM-SOM08 | M8 | 11.9 | 4 | 8 | M8x1 | 4 | ISO6149-2/3 /ENTON:4HN /PARKER:VSTI M-OR /HANSA FLEX:VHMO 90 |
| GM-SOM10 | M10 | 13.9 | 4 | 8 | M10x1 | 5 | |
| GM-SOM12 | M12 | 16.9 | 5 | 12 | M12x1.5 | 6 | |
| GM-SOM14 | M14 | 18.9 | 5 | 12 | M14x1.5 | 6 | |
| GM-SOM16 | M16 | 21.9 | 5 | 12 | M16x1.5 | 8 | |
| GM-S0M18 | M18 | 23.9 | 5 | 12 | M18x1.5 | 8 | |
| GM-SOM20 | M20 | 25.9 | 5 | 14 | M20x1.5 | 10 | |
| GM-SOM22 | M22 | 26.9 | 5 | 14 | M22x1.5 | 10 | |
| GM-SOM26 | M26 | 31.9 | 5 | 16 | M26x1.5 | 12 | |
| GM-SOM27 | M27 | 31.9 | 5 | 16 | M27x1.5 | 12 | |
| GM-SOMD27 | M27 | 31.9 | 5 | 16 | M27x2 | 12 | |
| GM-S0M33 | M33 | 39.9 | 6.5 | 18 | M33x1.5 | 17 | |
| GM-SCMD33 | M33 | 39.9 | 6.5 | 18 | M33x2 | 17 | |
| GM-SCM42 | M42 | 49.9 | 6.5 | 20 | M42x2 | 22 | |
| GM-SCM48 | M48 | 54.9 | 6.6 | 22 | M48x2 | 24 | |
| GM-SOG18 | 1/8" | 13.9 | 4.2 | 8 | G 1/8"-28 | 5 | BS5380 Stud End/ENTON:4GN |
| GM-SOG14 | 1/4" | 18.9 | 5.2 | 12 | G 1/4"-19 | 6 | |
| GM-SOG38 | 3/8" | 21.9 | 5.2 | 12 | G 3/8"-19 | 8 | |
| GM-SOG12 | 1/2" | 26.9 | 5.2 | 14 | G 1/2"-14 | 10 | |
| GM-SOG34 | 3/4" | 31.9 | 5.2 | 16 | G 3/4"-14 | 12 | |
| GM-SOG10 | 1" | 39.9 | 6.8 | 16 | G 1"-11 | 17 | |
| GM-SOG114 | 1 1/4" | 49.9 | 6.8 | 20 | G 1 1/4"-11 | 22 | |
| GM-SOG112 | 1 1/2" | 54.9 | 6.8 | 22 | G 1 1/2"-11 | 24 | |
| American SAE Steel Scokets Plugs With O-Ring(UNF Thread) | |||||||
| Item No. | Size | A | B | C | D | SW | Standard |
| GM-SOU02 | 5/16" | 11 | 3 | 8 | 5/16"-24 | 3.2 | ISO11926-1 SAE /ENTON:4ON /SAE J514:6409-O |
| GM-SOU03 | 3/8" | 12 | 4 | 8 | 3/8"-24 | 4 | |
| GM-S0U04 | 7/16" | 14.5 | 2.4 | 9.1 | 7/16"-20 | 5 | |
| GM-SOU05 | 1/2" | 16 | 2.4 | 9.1 | 1/2"-20 | 5 | |
| GM-SOU06 | 9/16" | 17.5 | 2.3 | 9.9 | 9/16"-18 | 6 | |
| GM-SOU08 | 3/4" | 22.2 | 3.2 | 11.1 | 3/4"-16 | 8 | |
| GM-SOU10 | 7/8" | 25.5 | 3.3 | 12.7 | 7/8"-14 | 10 | |
| GM-SOU12 | 1 1/16" | 32 | 3.9 | 15.1 | 1 1/16"-12 | 14 | |
| GM-SU014 | 1 3/16" | 35 | 3.9 | 15.1 | 1 3/16"-12 | 14 | |
| GM-SU016 | 1 5/16" | 38.1 | 3.9 | 15.1 | 1 5/16"-12 | 16 | |
| GM-SU020 | 1 5/8" | 47.6 | 3.9 | 15.1 | 1 5/8"-12 | 19 | |
| GM-SU024 | 1 7/8" | 54 | 3.9 | 15.1 | 1 7/8"-12 | 19 | |
| GM-SU032 | 2 1/2" | 70 | 3.9 | 15.1 | 2 1/2"-12 | 19 | |
| Steel Sockets Plugs Zinc Plated Bonded Seal | |||||||
| Item No. | Size | A | B | C | D | SW | Standard |
| GM-SOM08 | M8 | 11.9 | 4 | 8 | M8x1 | 4 | DIN908 /ENTON:4MN |
| GM-SOM10 | M10 | 13.9 | 4 | 8 | M10x1 | 5 | |
| GM-SOM12 | M12 | 16.9 | 5 | 12 | M12x1.5 | 6 | |
| GM-SOM14 | M14 | 18.9 | 5 | 12 | M14x1.5 | 6 | |
| GM-SOM16 | M16 | 21.9 | 5 | 12 | M16x1.5 | 8 | |
| GM-S0M18 | M18 | 23.9 | 5 | 12 | M18x1.5 | 8 | |
| GM-SOM20 | M20 | 25.9 | 5 | 14 | M20x1.5 | 10 | |
| GM-SOM22 | M22 | 26.9 | 5 | 14 | M22x1.5 | 10 | |
| GM-SOM26 | M26 | 31.9 | 5 | 16 | M26x1.5 | 12 | |
| GM-SOM27 | M27 | 31.9 | 5 | 16 | M27x1.5 | 12 | |
| GM-SOMD27 | M27 | 31.9 | 5 | 16 | M27x2 | 12 | |
| GM-S0M33 | M33 | 39.9 | 6.5 | 18 | M33x1.5 | 17 | |
| GM-SCMD33 | M33 | 39.9 | 6.5 | 18 | M33x2 | 17 | |
| GM-SCM42 | M42 | 49.9 | 6.5 | 20 | M42x2 | 22 | |
| GM-SCM48 | M48 | 54.9 | 6.6 | 22 | M48x2 | 24 | |
| GM-SOG18 | 1/8" | 13.9 | 4.2 | 8 | G 1/8"-28 | 5 | DIN908 /ISO3852 Type A /ENTON:4BN |
| GM-SOG14 | 1/4" | 18.9 | 5.2 | 12 | G 1/4"-19 | 6 | |
| GM-SOG38 | 3/8" | 21.9 | 5.2 | 12 | G 3/8"-19 | 8 | |
| GM-SOG12 | 1/2" | 26.9 | 5.2 | 14 | G 1/2"-14 | 10 | |
| GM-SOG34 | 3/4" | 31.9 | 5.2 | 16 | G 3/4"-14 | 12 | |
| GM-SOG10 | 1" | 39.9 | 6.8 | 16 | G 1"-11 | 17 | |
| GM-SOG114 | 1 1/4" | 49.9 | 6.8 | 20 | G 1 1/4"-11 | 22 | |
| GM-SOG112 | 1 1/2" | 54.9 | 6.8 | 22 | G 1 1/2"-11 | 24 | |
| American Standard JIC 74 Degree Hexagon Plug | |||||
| Item No. | Thread Size | Thread length | Dimension | Standard | |
| E | L1 | L | S | ||
| GM-4J-02 | 5/16-24 | 11.4 | 17.5 | 11 | ISO11926-1SAE |
| GM-4J-03 | 3/8-24 | 12.2 | 18 | 11 | |
| GM-4J-04 | 7/16-20 | 14 | 20 | 14 | |
| GM-4J-05 | 1/2-20 | 14 | 20 | 17 | |
| GM-4J-06 | 9/16-18 | 14.1 | 20 | 17 | |
| GM-4J-08 | 3/4-16 | 16.7 | 25 | 22 | |
| GM-4J-10 | 7/8-14 | 19.3 | 27.5 | 24 | |
| GM-4J-12 | 1.1/16-12 | 21.5 | 32 | 30 | |
| GM-4J-14 | 1.3/16-12 | 22.6 | 33.5 | 32 | |
| GM-4J-16 | 1.5/16-12 | 23.1 | 34 | 36 | |
| GM-4J-20 | 1.5/8-12 | 24.3 | 37 | 46 | |
| GM-4J-24 | 1.7/8-12 | 27.5 | 44.5 | 50 | |
| GM-4J-32 | 2.1/2-12 | 33.9 | 51 | 65 | |
| American SAE Hexagon Plug With O-Ring | |||||
| Item No. | Thread(UNF) | Thread length | Dimension | Standard | |
| E | L1 | L | S | ||
| GM-02U-02 | 5/16-24 | 7.54 | 14.6 | 12 | ISO11926-1SAE / ENTON:4O |
| GM-02U-03 | 3/8-24 | 7.54 | 14.6 | 14 | |
| GM-02U-04 | 7/16-20 | 9.1 | 16 | 14 | |
| GM-02U-05 | 1/2-20 | 9.1 | 16 | 17 | |
| GM-02U-06 | 9/16-18 | 9.9 | 17.5 | 17 | |
| GM-02U-08 | 3/4-16 | 11.1 | 19.5 | 22 | |
| GM-02U-10 | 7/8-14 | 12.7 | 23 | 27 | |
| GM-02U-12 | 1.1/16-12 | 15.1 | 26.5 | 32 | |
| GM-02U-14 | 1.3/16-12 | 15.1 | 27 | 36 | |
| GM-02U-16 | 1.5/16-12 | 15.1 | 27.5 | 38 | |
| GM-02U-20 | 1.5/8-12 | 15.1 | 30 | 50 | |
| GM-02U-24 | 1.7/8-12 | 15.1 | 30 | 55 | |
| GM-02U-32 | 1.1/2-12 | 15.1 | 32 | 70 | |
| Metric Thread Hexagon Plug With O-Ring | |||||
| Item No. | Thread Size | Thread length | Dimension | Standard | |
| E | L1 | L | S | ISO11926-1SAE / ENTON:4O | |
| GM-O2M12 | M12x1.5 | 7 | 15 | 12 | |
| GM-O2M14 | M14x1.5 | 7 | 15 | 14 | |
| GM-O2M16 | M16x1.5 | 8 | 16 | 14 | |
| GM-O2M18 | M18x1.5 | 8 | 16 | 17 | |
| GM-O2M22 | M22x1.5 | 9 | 18 | 17 | |
| GM-O2M26 | M26x1.5 | 11 | 19 | 22 | |
| GM-O2M30 | M30x1.5 | 13 | 23 | 27 | |
| GM-O2M30D | M30X2 | 15 | 26 | 32 | |
| GM-O2M36 | M36x1.5 | 15 | 27 | 36 | |
| GM-O2M36D | M36x2 | 15 | 28 | 38 | |
| GM-O2M45 | M45x1.5 | 15 | 30 | 50 | |
| GM-O2M45D | M45x2 | 15 | 30 | 55 | |
| GM-O2M52 | M52x2 | 15 | 32 | 70 | |
| American SAE NPT Thread Hexagon Plug | |||||
| Item No. | Thread Size | Thread length | Dimension | Standard | |
| E | L1 | L | S | ||
| GM-2N-02 | Z1/8-27 | 10.5 | 16 | 12 | SAE J514 /ENTON:4N |
| GM-2N-04 | Z1/4-18 | 15 | 20 | 17 | |
| GM-2N-06 | Z3/8-18 | 16 | 21 | 19 | |
| GM-2N-06 | Z1/2-14 | 19.5 | 27 | 22 | |
| GM-2N-12 | Z3/4-14 | 19.5 | 29.5 | 27 | |
| GM-2N-16 | Z1-11.5 | 25.5 | 36.5 | 36 | |
| GM-2N-20 | Z1.1/4-11.5 | 26.5 | 38.5 | 46 | |
| GM-2N-24 | Z1.1/2-11.5 | 27.5 | 43 | 50 | |
| GM-2N-32 | Z2-11.5 | 27.5 | 43.5 | 65 | |
| British Standard Taped Pipe Thread Hexagon Plug | |||||
| Item No. | Thread Size | Thread length | Dimension | Standard | |
| E | L1 | L | S | ||
| GM-2R-02 | R1/8-28 | 10 | 16 | 12 | BSPT thread Seal / ENTON:4T |
| GM-2R-04 | R1/4-19 | 14.5 | 20 | 14 | |
| GM-2R-06 | R3/8-19 | 15 | 21 | 17 | |
| GM-2R-06 | R1/2-14 | 20 | 27 | 22 | |
| GM-2R-12 | R3/4-14 | 20 | 29 | 27 | |
| GM-2R-16 | R1-11 | 25.5 | 36.5 | 36 | |
| GM-2R-20 | R1.1/4-11 | 26.5 | 38.5 | 46 | |
| GM-2R-24 | R1.1/2-11 | 26.5 | 42 | 50 | |
| GM-2R-32 | R2-11 | 30 | 47 | 65 | |
| American Standard JIC 74 Degree Hexagon Plug | |||||
| Item No. | Thread Size | Thread length | Dimension | Standard | |
| E | L1 | L | S | ||
| GM-4J-02 | 5/16-24 | 11.4 | 17.5 | 11 | ISO11926-1SAE |
| GM-4J-03 | 3/8-24 | 12.2 | 18 | 11 | |
| GM-4J-04 | 7/16-20 | 14 | 20 | 14 | |
| GM-4J-05 | 1/2-20 | 14 | 20 | 17 | |
| GM-4J-06 | 9/16-18 | 14.1 | 20 | 17 | |
| GM-4J-08 | 3/4-16 | 16.7 | 25 | 22 | |
| GM-4J-10 | 7/8-14 | 19.3 | 27.5 | 24 | |
| GM-4J-12 | 1.1/16-12 | 21.5 | 32 | 30 | |
| GM-4J-14 | 1.3/16-12 | 22.6 | 33.5 | 32 | |
| GM-4J-16 | 1.5/16-12 | 23.1 | 34 | 36 | |
| GM-4J-20 | 1.5/8-12 | 24.3 | 37 | 46 | |
| GM-4J-24 | 1.7/8-12 | 27.5 | 44.5 | 50 | |
| GM-4J-32 | 2.1/2-12 | 33.9 | 51 | 65 | |
| Sockets Thread Plug Zinc Plated | |||||
| Item No. | Thread Size | Dimension | Standard | ||
| NPT | E | L | S | ||
| GM-AN18 | Z1/8-27 | American Standard NPT Thread | 8 | 5 | ISO11926-1SAE |
| GM-AN14 | Z1/4-18 | 10 | 6 | ||
| GM-AN38 | Z3/8-18 | 12 | 8 | ||
| GM-AN12 | Z1/2-14 | 15 | 10 | ||
| GM-AN34 | Z3/4-14 | 16 | 12 | ||
| GM-AN10 | Z1-11.5 | 18 | 17 | ||
| GM-AN114 | Z1.1/4-11.5 | 20 | 22 | ||
| GM-AN112 | Z1.1/2-11.5 | 21 | 24 | ||
| GM-AN20 | Z2-11.5 | 23 | 32 | ||
| GM-SP-R18 | R1/8-28 | British Standard Tapered Pipe thread | 8 | 5 | |
| GM-SP-R14 | R1/4-19 | 9 | 6 | ||
| GM-SP-R38 | R3/8-19 | 10 | 8 | ||
| GM-SP-R12 | R1/2-14 | 12 | 10 | ||
| GM-SP-R34 | R3/4-14 | 12 | 12 | ||
| GM-SP-R10 | R1-11 | 17 | 17 | ||
