Sherline Thread Attachment Calculator

	B	C	D	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V
1	Fill in Yellow boxes ONLY
2	Sherline Thread Attachment
3	Determine which Gears to use in each position for different thread type for the Sherline Lathe
4	Sherline Lathe Model	US
5	US or metric threads	US
6	Threads per Inch	16	TPI									#REF!
7	Pitch	0.75	mm								#REF!	#REF!
8	Right Hand or Left Hand threads	R	Normal is RH
9	External or Internal thread	I
10	Max Diameter of Hole	19.05	mm								#REF!
11	Pitch	#REF!	mm								#REF!
12	Max Thread Cut Depth	#REF!	mm
13	Starting Hole (if Internal thread)	#REF!	mm									#REF!
14	Min Diameter	#REF!	mm								#REF!	#REF!
15	Thread relief diameter	19.45	mm								#REF!
16	Thread relief length	#REF!	mm
17	Gear A	#REF!
18	Gear B	#REF!
19	Gear C	#REF!
20	Gear D	#REF!
21	Gear E	#REF!
22	Gear F
23	Gear G
24	Comments	#REF!
25
26						Right Hand Thread									Left Hand Thread
27				TPI	L/R	A	B	C	D	E	Notes	L/R	A	B	C	D	F	G	Notes
28				10	R	#REF!	#REF!	40	20	30		L	#REF!	50	20	20	26	24
29				11	R	#REF!	100	40	22	30		L	#REF!	50	20	22	26	30
30				12	R	#REF!	100	40	24	30		L	#REF!	50	20	24	26	30
31				13	R	#REF!	100	40	26	30		L	#REF!	50	20	26	24	30
32				14	R	#REF!	100	40	28	30		L	#REF!	50	20	28	26	30
33				15	R	#REF!	100	40	30	32		L	#REF!	50	20	30	28	26
34				16	R	#REF!	100	40	32	30		L	#REF!	50	20	32	28	30
35				17	R	#REF!	100	40	34	30		L	#REF!	50	20	34	28	30
36				18	R	#REF!	100	40	36	30		L	#REF!	50	20	36	28	34
37				19	R	#REF!	100	40	38	30		L	#REF!	50	20	38	30	22
38				20	R	#REF!	100	20	20	40		L	#REF!	100	20	20	26	24
39				21	R	#REF!	100	20	21*	40	Optional Gear	L	#REF!	100	20	21*	26	30	Optional Gear
40				22	R	#REF!	100	20	22	40		L	#REF!	100	20	22	26	30
41				23	R	#REF!	100	20	23*	40	Optional Gear	L	#REF!	100	20	23*	26	30	Optional Gear
42				24	R	#REF!	100	20	24	40		L	#REF!	100	20	24	26	30
43				25	R	#REF!	100	20	25*	40	Optional Gear	L	#REF!	100	20	25*	26	30	Optional Gear
44				26	R	#REF!	100	20	26	40		L	#REF!	100	20	26	24	30
45				27	R	#REF!	100	20	27*	40	Optional Gear	L	#REF!	100	20	27*	26	30	Optional Gear
46				28	R	#REF!	100	20	28	40		L	#REF!	100	20	28	26	30
47				29	R	#REF!	100	20	29*	40	Optional Gear	L	#REF!	100	20	29*	26	30	Optional Gear
48				30	R	#REF!	100	20	30	40		L	#REF!	100	20	30	28	26
49				31	R	#REF!	100	20	31*	40	Optional Gear	L	#REF!	100	20	31*	28	26	Optional Gear
50				32	R	#REF!	100	20	32	40		L	#REF!	100	20	32	28	30
51				33	R	#REF!	100	20	33*	40	Optional Gear	L	#REF!	100	20	33*	28	30	Optional Gear
52				34	R	#REF!	100	20	34	40		L	#REF!	100	20	34	28	30
53				35	R	#REF!	100	20	35*	40	Optional Gear	L	#REF!	100	20	35*	28	26	Optional Gear
54				36	R	#REF!	100	20	36	40		L	#REF!	100	20	36	28	34
55				37	R	#REF!	100	20	37*	40	Optional Gear	L	#REF!	100	20	37*	26	28	Optional Gear
56				38	R	#REF!	100	20	38	40		L	#REF!	100	20	38	30	22
57				39	R	#REF!	100	20	39*	40	Optional Gear	L	#REF!	100	20	39*	28	22	Optional Gear
58				40	R	#REF!	100	20	40	38		L	#REF!	100	20	40	28	22
59				44	R	50	100	20	22	40	Inch Lathe only	L	50	100	20	22	26	30	Inch Lathe only
60				48	R	50	100	20	24	40	Inch Lathe only	L	50	100	20	24	26	30	Inch Lathe only
61				52	R	50	100	20	26	40	Inch Lathe only	L	50	100	20	26	24	34	Inch Lathe only
62				56	R	50	100	20	28	40	Inch Lathe only	L	50	100	20	28	26	30	Inch Lathe only
63				60	R	50	100	20	30	40	Inch Lathe only	L	50	100	20	30	28	26	Inch Lathe only
64				64	R	50	100	20	32	40	Inch Lathe only	L	50	100	20	32	28	30	Inch Lathe only
65				68	R	50	100	20	34	40	Inch Lathe only	L	50	100	20	34	28	30	Inch Lathe only
66				72	R	50	100	20	36	40	Inch Lathe only	L	50	100	20	36	28	34	Inch Lathe only
67				76	R	50	100	20	38	40	Inch Lathe only	L	50	100	20	38	30	22	Inch Lathe only
68				80	R	50	100	20	40	38	Inch Lathe only	L	50	100	20	40	28	22	Inch Lathe only
69				5+	R	#REF!	50	40	20	30
70				6+	R	#REF!	50	40	24	30
71				7+	R	#REF!	50	40	28	30
72				8+	R	#REF!	50	40	32	30
73				9+	R	#REF!	50	40	36	30
74
75
76				Pitch	L/R	A	B	C	D	E	Notes	L/R	A	B	C	D	E	F	G	Notes
77				0.25	R	50	#REF!	20	40	30		L	50	#REF!	20	40	30	28	22
78				0.3	R	50	#REF!	24	40	30		L	50	#REF!	24	40	30	26	22
79				0.35	R	50	#REF!	28	40	30		L	50	#REF!	28	40	30	26	22
80				0.4	R	50	#REF!	32	40	30		L	50	#REF!	32	40	30	24	22
81				0.45	R	50	#REF!	36	40	30		L	50	#REF!	36	40	30	20	22
82				0.5	R	100	#REF!	20	40	30		L	100	#REF!	20	40	30	28	22
83				0.55	R	100	#REF!	22	40	30		L	100	#REF!	22	40	30	28	20
84				0.6	R	100	#REF!	24	40	30		L	100	#REF!	24	40	30	28	22
85				0.65	R	100	#REF!	26	40	30		L	100	#REF!	26	40	30	28	22
86				0.7	R	100	#REF!	28	40	30		L	100	#REF!	28	40	30	26	22
87				0.75	R	100	#REF!	30	40	28		L	100	#REF!	30	40	28	24	22
88				0.8	R	100	#REF!	32	40	30		L	100	#REF!	32	40	30	24	22
89				0.85	R	100	#REF!	34	40	30		L	100	#REF!	34	40	30	20	22
90				0.9	R	100	#REF!	36	40	30		L	100	#REF!	36	40	30	20	22
91				1	R	50	#REF!	40	20	30		L	100	#REF!	20	20	--	26	24
92				1.1	R	100	#REF!	22	20	40		L	100	#REF!	22	20	40	24	26
93				1.2	R	100	#REF!	24	20	40		L	100	#REF!	24	20	40	22	26
94				1.25	R	100	#REF!	30	24	38		L	100	#REF!	30	24	38	22	26
95				1.3	R	100	#REF!	26	20	40		L	100	#REF!	26	20	40	22	24
96				1.4	R	100	#REF!	28	20	38		L	100	#REF!	28	20	38	22	24
97				1.5	R	100	#REF!	30	20	38		L	100	#REF!	30	20	38	20	26
98				1.6	R	100	#REF!	32	20	38		L	100	#REF!	32	20	38	20	26
99				1.7	R	100	#REF!	34	20	38		L	100	#REF!	34	20	38	20	22
100				1.75	R	100	#REF!	35*	20	38	Optional Gear	L	100	#REF!	35*	20	38	20	22	Optional Gear