Spacer Blocks | Modular Welding Table Fixtures - SANWZB

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Spacer Blocks

Name: Modular Welding Table Spacer Blocks (D28/D22/D16)
Brand: SANWZB
Availability: InStock

Spacer blocks expand your welding table's working surface on demand, eliminating the need for a larger fixed table. Mounted along the rail system, they extend your fixturing and support area as far as the rails run.

Product Types: U-Square Box | L-Square Box | C-Square Box | Square Locator | Connection Angle

D28 U-Square Box

Material: Q355B(S355J2) | Surface Finish: Black Oxide (Default) | Hardness: 180–220 HB

Equipped with 5 working faces, this spacer block is primarily used for welding table extension, system component connection, and can also serve as support and locating fixture. Finished Plate Thickness: 23–26 mm

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No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	200x200 U-Square Box	500x200x200	SWK28-20001	55	100×100 mm diagonal grid; No foot plate; leg installation not supported.
2	200x200 U-Square Box	1000x200x200	SWK28-20002	102	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
3	200x200 U-Square Box	1200x200x200	SWK28-20003	120	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
4	200x200 U-Square Box	1500x200x200	SWK28-20004	150	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
5	200x200 U-Square Box	2000x200x200	SWK28-20005	200	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
6	200x200 U-Square Box	2400x200x200	SWK28-20006	235	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
7	200x200 U-Square Box	3000x200x200	SWK28-20007	285	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
8	200x200 U-Square Box	4000x200x200	SWK28-20008	374	100×100 mm diagonal grid; Foot plate reserved; supports 4 legs.
9	400x200 U-Square Box	1200x400x200	SWK28-20009	174	100×100 mm diagonal grid; Foot plate reserved; supports 4 legs.
10	400x200 U-Square Box	1500x400x200	SWK28-20010	215	100×100 mm diagonal grid; Foot plate reserved; supports 4 legs.
11	400x200 U-Square Box	2000x400x200	SWK28-20011	272	100×100 mm diagonal grid; Foot plate reserved; supports 6 legs.
12	400x200 U-Square Box	2400x400x200	SWK28-20012	320	100×100 mm diagonal grid; Foot plate reserved; supports 6 legs.
13	400x200 U-Square Box	3000x400x200	SWK28-20013	400	100×100 mm diagonal grid; Foot plate reserved; supports 6 legs.
14	400x200 U-Square Box	4000x400x200	SWK28-20014	526	100×100 mm diagonal grid; Foot plate reserved; supports 6 legs.
15	400x200 U-Square Box	500x400x200	SWK28-20015	81	100×100 mm diagonal grid; No foot plate; leg installation not supported.
16	400x200 U-Square Box	1000x400x200	SWK28-20016	149	100×100 mm diagonal grid; Foot plate reserved; supports 4 legs.

Note: For Plasma Nitriding, add the "-B2" suffix to the product code (surface hardness 500–650 HV); for Hard Chrome Plating, add the "-B4" suffix.

D28 L-Square Box

Material: Q355B(S355J2) | Surface Finish: Black Oxide (Default) | Hardness: 180–220 HB

Equipped with 4 working faces, this spacer block is primarily used for welding table extension, system component connection, and can also serve as support and locating fixture. Finished Plate Thickness: 23–26 mm

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No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	L-Square Box	500x200x100	SWK28-21001	27	For system connection; also as clamping extension or precision side stop.
2	L-Square Box	1000x200x100	SWK28-21002	51	For system connection; also as clamping extension or precision side stop.
3	L-Square Box	1200x200x100	SWK28-21003	60	For system connection; also as clamping extension or precision side stop.
4	L-Square Box	1500x200x100	SWK28-21004	74	For system connection; also as clamping extension or precision side stop.

Note: For Plasma Nitriding, add the "-B2" suffix to the product code (surface hardness 500–650 HV); for Hard Chrome Plating, add the "-B4" suffix.

C-Square Box

Material: Q355B(S355J2) | Surface Finish: Black Oxide (Default) | Hardness: 180–220 HB

Equipped with 5 working faces, this spacer block is primarily used for welding table extension, system component connection, and can also serve as support and locating fixture.

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No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	C-Square Box	500x200x100-L	SWK28-25001	35.8	For system connection; recommended for use in pairs. Finished Plate Thickness: 23–26 mm
2	C-Square Box	500x200x100-R	SWK28-25002	35.8	For system connection; recommended for use in pairs. Finished Plate Thickness: 23–26 mm
3	C-Square Box	1000x200x100-L	SWK28-25003	68.5	For system connection; recommended for use in pairs. Finished Plate Thickness: 23–26 mm
4	C-Square Box	1000x200x100-R	SWK28-25004	68.5	For system connection; recommended for use in pairs. Finished Plate Thickness: 23–26 mm
5	C-Square Box	500x200x100-L	SWK22-25001	29	For system connection; recommended for use in pairs. Finished Plate Thickness: 17–19 mm
6	C-Square Box	500x200x100-R	SWK22-25002	29	For system connection; recommended for use in pairs. Finished Plate Thickness: 17–19 mm
7	C-Square Box	1000x200x100-L	SWK22-25003	55	For system connection; recommended for use in pairs. Finished Plate Thickness: 17–19 mm
8	C-Square Box	1000x200x100-R	SWK22-25004	55	For system connection; recommended for use in pairs. Finished Plate Thickness: 17–19 mm

Note: For Plasma Nitriding, add the "-B2" suffix to the product code (surface hardness 500–650 HV); for Hard Chrome Plating, add the "-B4" suffix.

Square Locator

Material: Q355B(S355J2) | Surface Finish: Black Oxide (Default) | Hardness: 180–220 HB

Equipped with 4 working faces, this square locator is primarily used for welding table extension, system component connection, and can also serve as support and locating fixture.

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No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	Square Locator	200x200x100	SWK28-24001	13	Finished Plate Thickness: 23–26 mm
2	Square Locator	150x200x100	SWK28-24002	11.1	Finished Plate Thickness: 23–26 mm
3	Square Locator	100x200x100	SWK28-24003	9.3	Finished Plate Thickness: 23–26 mm
4	Square Locator	200x200x100	SWK22-24001	11	Finished Plate Thickness: 17–19 mm
5	Square Locator	150x200x100	SWK22-24002	10	Finished Plate Thickness: 17–19 mm
6	Square Locator	100x200x100	SWK22-24003	8	Finished Plate Thickness: 17–19 mm
7	Square Locator	100x100x50	SWK16-24001	7	Finished Plate Thickness: 11–13 mm

Note: For Plasma Nitriding, add the "-B2" suffix to the product code (surface hardness 500–650 HV); for Hard Chrome Plating, add the "-B4" suffix.

Connection Angle

Material: Q355B(S355J2) | Surface Finish: Black Oxide (Default) | Hardness: 180–220 HB

Equipped with 4 working faces, this connection angle is primarily used as a clamping locating angle or bridging connector between 3D welding tables, and can also serve as support and locating fixture.

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No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	Connection angle	500x100x100	SWK28-20021	15	Finished Plate Thickness: 23–26 mm

Note: For Plasma Nitriding, add the "-B2" suffix to the product code (surface hardness 500–650 HV); for Hard Chrome Plating, add the "-B4" suffix.

General Technical Specifications

Dim. tolerance: L±0.1×W±0.1×H±0.1 Grid hole: D10 tolerance (per ISO 286) Hole pitch: ±0.05 mm ◇ Flatness: 0.1 mm/m ∥ Parallelism: 0.1 mm/m ⊥ Squareness: 0.1/200

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D28 ^systemSpacer blocks


200x200 Square block U-shape	400x200 Square block U-shape	Square block C-shape	Connection angle
For use as a table extension, face sides with diagonal rid	For use as a table extension, face sides with diagonal rid	As table extension,table stop or as connection of system components, continuously adjustable with oblong holes	Used as a bridge between clamping and locating angles or 3D welding tables



Spacer block L-form
Third axis for expansion as clamping tower or laterally as exact table stop

Product details:


	Product name	Spec.	Products Code				Material	Weight
ID	Product name	LxWxH(mm)	Painting	Blackening	Nitriding & Blackening	Chrome Plating	Material	（kg）
28-20001	200x200 Square block U-shape	500x200x200	SWK28-20001-B0	SWK28-20001-B1	SWK28-20001-B3	SWK28-20001-B4	high strength steel	55.0
28-20002	200x200 Square block U-shape	1000x200x200	SWK28-20002-B0	SWK28-20002-B1	SWK28-20002-B3	SWK28-20002-B4	high strength steel	102.0
28-20003	200x200 Square block U-shape	1200x200x200	SWK28-20003-B0	SWK28-20003-B1	SWK28-20003-B3	SWK28-20003-B4	high strength steel	120.0
28-20004	200x200 Square block U-shape	1500x200x200	SWK28-20004-B0	SWK28-20004-B1	SWK28-20004-B3	SWK28-20004-B4	high strength steel	150.0
28-20005	200x200 Square block U-shape	2000x200x200	SWK28-20005-B0	SWK28-20005-B1	SWK28-20005-B3	SWK28-20005-B4	high strength steel	200.0
28-20006	200x200 Square block U-shape	2400x200x200	SWK28-20006-B0	SWK28-20006-B1	SWK28-20006-B3	SWK28-20006-B4	high strength steel	235.0
28-20007	200x200 Square block U-shape	3000x200x200	SWK28-20007-B0	SWK28-20007-B1	SWK28-20007-B3	SWK28-20007-B4	high strength steel	285.0
28-20008	200x200 Square block U-shape	4000x200x200	SWK28-20008-B0	SWK28-20008-B1	SWK28-20008-B3	SWK28-20008-B4	high strength steel	374.0
28-20015	400x200 Square block U-shape	500x400x200	SWK28-20015-B0	SWK28-20015-B1	SWK28-20015-B3	SWK28-20015-B4	high strength steel	81.0
28-20016	400x200 Square block U-shape	1000x400x200	SWK28-20016-B0	SWK28-20016-B1	SWK28-20016-B3	SWK28-20016-B4	high strength steel	149.0
28-20009	400x200 Square block U-shape	1200x400x200	SWK28-20009-B0	SWK28-20009-B1	SWK28-20009-B3	SWK28-20009-B4	high strength steel	174.0
28-20010	400x200 Square block U-shape	1500x400x200	SWK28-20010-B0	SWK28-20010-B1	SWK28-20010-B3	SWK28-20010-B4	high strength steel	215.0
28-20011	400x200 Square block U-shape	2000x400x200	SWK28-20011-B0	SWK28-20011-B1	SWK28-20011-B3	SWK28-20011-B4	high strength steel	272.0
28-20012	400x200 Square block U-shape	2400x400x200	SWK28-20012-B0	SWK28-20012-B1	SWK28-20012-B3	SWK28-20012-B4	high strength steel	320.0
28-20013	400x200 Square block U-shape	3000x400x200	SWK28-20013-B0	SWK28-20013-B1	SWK28-20013-B3	SWK28-20013-B4	high strength steel	400.0
28-20014	400x200 Square block U-shape	4000x400x200	SWK28-20014-B0	SWK28-20014-B1	SWK28-20014-B3	SWK28-20014-B4	high strength steel	526.0
28-20017	Square block C-shape	500x200x100-L		SWK28-20017-B1	SWK28-20017-B3		high strength steel	35.8
28-20018	Square block C-shape	500x200x100-R		SWK28-20018-B1	SWK28-20018-B3		high strength steel	35.8
28-20019	Square block C-shape	1000x200x100-L		SWK28-20019-B1	SWK28-20019-B3		high strength steel	68.5
28-20020	Square block C-shape	1000x200x100-R		SWK28-20020-B1	SWK28-20020-B3		high strength steel	68.5
28-20021	Connection angle	500x100x100		SWK28-20021-B1	SWK28-20021-B3		high strength steel	15.0
28-21001	Spacer block L-form	500x200x100	SWK28-21001-B0	SWK28-21001-B1	SWK28-21001-B3	SWK28-21001-B4	high strength steel	27.0
28-21002	Spacer block L-form	1000x200x100	SWK28-21002-B0	SWK28-21002-B1	SWK28-21002-B3	SWK28-21002-B4	high strength steel	51.0
28-21003	Spacer block L-form	1200x200x100	SWK28-21003-B0	SWK28-21003-B1	SWK28-21003-B3	SWK28-21003-B4	high strength steel	60.0
28-21004	Spacer block L-form	1500x200x100	SWK28-21004-B0	SWK28-21004-B1	SWK28-21004-B3	SWK28-21004-B4	high strength steel	74.0

Product details:

No.	Product Name	Specification (mm)	Product Code	Description
1	150x150 U-Square Box	500x150x150	SWK22-20001	100×100 mm diagonal grid; No foot plate; leg installation not supported.
2	150x150 U-Square Box	1000x150x150	SWK22-20002	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
3	150x150 U-Square Box	1200x150x150	SWK22-20003	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
4	150x150 U-Square Box	1500x150x150	SWK22-20004	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
5	150x150 U-Square Box	2000x150x150	SWK22-20005	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
6	150x150 U-Square Box	2400x150x150	SWK22-20006	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
7	150x150 U-Square Box	3000x150x150	SWK22-20007	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
8	150x150 U-Square Box	4000x150x150	SWK22-20008	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
9	300x150 U-Square Box	1200x300x150	SWK22-20009	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
10	300x150 U-Square Box	1500x300x150	SWK22-20010	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.
11	300x150 U-Square Box	2000x300x150	SWK22-20011	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
12	300x150 U-Square Box	2400x300x150	SWK22-20012	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
13	300x150 U-Square Box	3000x300x150	SWK22-20013	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
14	300x150 U-Square Box	4000x300x150	SWK22-20014	100×100 mm diagonal grid; Foot plate reserved; supports 3 legs.
15	300x150 U-Square Box	500x300x150	SWK22-20015	100×100 mm diagonal grid; No foot plate; leg installation not supported.
16	300x150 U-Square Box	1000x300x150	SWK22-20016	100×100 mm diagonal grid; Foot plate reserved; supports 2 legs.

No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	100x50 U-Square Box	150x100x50	SWK16-20001	3.4	50×50 mm diagonal grid; No foot plate; leg installation not supported.
2	100x50 U-Square Box	250x100x50	SWK16-20002	5.2	50×50 mm diagonal grid; No foot plate; leg installation not supported.
3	100x50 U-Square Box	300x100x50	SWK16-20003	6.1	50×50 mm diagonal grid; No foot plate; leg installation not supported.
4	100x100 U-Square Box	150x100x100	SWK16-20004	5.6	50×50 mm diagonal grid; No foot plate; leg installation not supported.
5	100x100 U-Square Box	250x100x100	SWK16-20005	8.5	50×50 mm diagonal grid; No foot plate; leg installation not supported.
6	100x100 U-Square Box	300x100x100	SWK16-20006	9.9	50×50 mm diagonal grid; No foot plate; leg installation not supported.
7	100x100 U-Square Box	500x100x100	SWK16-20007	13	50×50 mm diagonal grid; No foot plate; leg installation not supported.
8	100x100 U-Square Box	800x100x100	SWK16-20008		50×50 mm diagonal grid; Foot plate reserved; supports 2 legs.
9	100x100 U-Square Box	1000x100x100	SWK16-20009	25	50×50 mm diagonal grid; Foot plate reserved; supports 2 legs.
10	100x100 U-Square Box	1200x100x100	SWK16-20010		50×50 mm diagonal grid; Foot plate reserved; supports 2 legs.
11	100x100 U-Square Box	1500x100x100	SWK16-20011	37	50×50 mm diagonal grid; Foot plate reserved; supports 3 legs.
12	100x100 U-Square Box	2000x100x100	SWK16-20012	50	50×50 mm diagonal grid; Foot plate reserved; supports 3 legs.
13	150x100 U-Square Box	500x150x100	SWK16-20013	20	50×50 mm diagonal grid; No foot plate; leg installation not supported.
14	150x100 U-Square Box	1000x150x100	SWK16-20014	37	50×50 mm diagonal grid; Foot plate reserved; supports 2 legs.
15	300x150 U-Square Box	1500x150x100	SWK16-20015	55	50 mm pitch, slotted holes; Foot plate reserved; supports 2 legs.
16	300x150 U-Square Box	2000x150x100	SWK16-20016	72	50 mm pitch, slotted holes; Foot plate reserved; supports 3 legs.


D28-200x200 Square Block U-shape	D28-400x200 Square Block U-shape	D28-100x100 Connection Angle	Square Block C-shape (For D28 / D22)
For use as a table extension, face sides with diagonal grid	For use as a table extension, face sides with diagonal grid	Used as a bridge between clamping and locating angles or 3D welding tables	As table extension,table stop or as connection of system components, continuously adjustable with oblong holes



D22-150x150 Spacer Block U-shape	D22-200x150 Square Block U-shape	Support and Console (For D28 / D22 / D16)	Spacer Block L-form (For D28 / D22 / D16)
Third axis for expansion as clamping tower or laterally as exact table stop	For use as a table extension, face sides with diagonal grid	With oblong hole as well as grid bores both in X-Y direction	Third axis for expansion as clamping tower or laterally as exact table stop


D16-100x50 Square Block U-shape	D16-100x100 Square Block U-shape	D16-150x100 Square Block U-shape
For use as a table extension	For use as a table extension, face sides with diagonal grid	For use as a table extension, face sides with diagonal grid

No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	L-Square Box	500x200x100	SWK22-21001	23	For system connection; also as clamping extension or precision side stop.
2	L-Square Box	1000x200x100	SWK22-21002	44	For system connection; also as clamping extension or precision side stop.
3	L-Square Box	1200x200x100	SWK22-21003	52	For system connection; also as clamping extension or precision side stop.
4	L-Square Box	1500x200x100	SWK22-21004	65	For system connection; also as clamping extension or precision side stop.

No.	Product Name	Specification (mm)	Product Code	Ref. Weight (kg)	Description
1	L-Square Box	150x100x50	SWK16-21001	5	For system connection; also as clamping extension or precision side stop.
2	L-Square Box	250x100x50	SWK16-21002	8.3	For system connection; also as clamping extension or precision side stop.
3	L-Square Box	300x100x50	SWK16-21003	10	For system connection; also as clamping extension or precision side stop.
4	L-Square Box	500x100x50	SWK16-21004	16.7	For system connection; also as clamping extension or precision side stop.