30 B-type slot 8 M4 Roll-in Spring T-slot Nut (Spring Ball T-nut), Roll-in spring T-slot nut

The 30 B-type slot 8 M4 roll-in spring T-slot nut has a body 11.5 mm across the slot and 17 mm along it, a 7.8 mm neck and a height of 6.8 mm. Here in simplified and threaded STEP files.

How these parts are made, and what the levels mean: read the method

• Also searched as: 30 B-type slot 8 M4 T-slot nut
• Model id: slot-nuts-roll-in-b8-m4
• Standard: Roll-in spring T-slot nut · size 30 B-type slot 8 M4

Files

Part key	Simplified	Threaded
slot-nuts-roll-in-b8-m4	STEP	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
w	Body width across the slot		11.5		11.5	nominal	L1
l	Body length along the slot		17		17	nominal	L0 (nom: one source)
b	Neck width		7.8		7.8	nominal	L1
h	Overall height		6.8		6.8	nominal	L1
k	Body height		6.3		6.3	nominal	L0 (nom: one source)
e	Thread position from the near end		6		6	nominal	L0 (nom: one source)
n	Neck height		0.5		0.5	nominal	L1

Drawing

As a PDF: CC-TNUTR-SZ-b8-M4.pdf.

The 30 B-type slot 8 M4 roll-in spring T-slot nut beside the 20 B-type slot 6 M5 and the 30 B-type slot 8 M5

The 30 B-type slot 8 M4 is number 4 of the 9 Roll-in spring T-slot nut roll-in spring T-slot nuts published here, listed from 20 B-type slot 6 M3 to slot 10 M8.

• Body width across the slot (w): 11.5 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, against 8.3 mm on the 20 B-type slot 6 M5 and 11.5 mm on the 30 B-type slot 8 M5.
• Body length along the slot (l): 17 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, the same on the 20 B-type slot 6 M5 and the 30 B-type slot 8 M5.
• Neck width (b): 7.8 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, against 5.8 mm on the 20 B-type slot 6 M5 and 7.8 mm on the 30 B-type slot 8 M5.
• Overall height (h): 6.8 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, against 3.9 mm on the 20 B-type slot 6 M5 and 6.8 mm on the 30 B-type slot 8 M5.
• Body height (k): 6.3 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, against 3.2 mm on the 20 B-type slot 6 M5 and 6.3 mm on the 30 B-type slot 8 M5.
• Thread position from the near end (e): 6 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, the same on the 20 B-type slot 6 M5 and the 30 B-type slot 8 M5.
• Neck height (n): 0.5 mm on the 30 B-type slot 8 M4 roll-in spring T-slot nut, against 0.7 mm on the 20 B-type slot 6 M5 and 0.5 mm on the 30 B-type slot 8 M5.

Other sizes

• One size smaller: 20 B-type slot 6 M5 Roll-in Spring T-slot Nut (Spring Ball T-nut), Roll-in spring T-slot nut, 8.3 mm × 17 mm, 3.9 mm high.
• One size larger: 30 B-type slot 8 M5 Roll-in Spring T-slot Nut (Spring Ball T-nut), Roll-in spring T-slot nut, 11.5 mm × 17 mm, 6.8 mm high.

Documents

• CC-TNUTR-DS-b8-M4.pdf: b8-M4 datasheet: values with levels, sources
• CC-TNUTR-SZ-b8-M4.pdf: b8-M4 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

fath-roll-in-nuts, misumi-roll-in-nuts, rule-fath-roll-in-nut-heights, rule-misumi-roll-in-nut-neck. Full citations: the method page and this size's datasheet.

Found an error? Use the feedback section on this page.