1321
TOOLS
Thread Size Application Chart
Fine
Thread
Coarse Thread
Size
Type
Size Type
1/4–28
SAE
1/4–20
UNC
5/16–24
SAE
5/16–18
UNC
3/8–24
SAE
3/8–16
UNC
7/16–20
SAE
7/16–14
UNC
1/2–20
SAE
1/2–13
UNC
9/16–18
SAE
9/16–12 UNC
Pike Nuts, Fine
Pike Nuts, Coarse
VT No. Size
U/M
VT No. Size
U/M
6901-5 10–32 SAE
5 pack
6910-5 10–24
5 pack
6902-5 ¹⁄₄–28 SAE
5 pack
6911-5 ¹⁄₄–20
5 pack
6903-4 ⁵⁄₁₆–24 SAE
4 pack
6913-3 ³⁄₈–16
3 pack
6904-3 ³⁄₈–24 SAE
3 pack
6914-2 ⁷⁄₁₆–14
2 pack
6905-2 ⁷⁄₁₆–20 SAE
2 pack
6915-1 ¹⁄₂–13 Each
6906-1 ¹⁄₂–20 SAE
Each
6916-1 ⁹⁄₁₆–12 Each
6907-1 ⁹⁄₁₆–18 SAE
Each
6908-1* ⁵⁄₈–18 SAE, (1”) Each 6918-1* ⁵⁄₈–11, (1
1
/
4
”) Each
6908-1T ⁵⁄₈–18 SAE, (1”) Each
6909-1* ⁵⁄₈–18 SAE, (1
1
/
4
”) Each
*Note: Hex Size
44-0647* ³⁄₄–16 SAE, (1
1
/
4
”) Pair
Well-Nuts are rubber inserts which press in
panels as threaded inserts.
VT No.
OEM
Thread
Type
37-9193 5210 ⁶⁄₃₂ Headlight
37-9194 5207 ¹⁰⁄₃₂ Module
37-8348 8099 ¹⁄₄–20
FXR Cover
37-8350 8098 ¹⁰⁄₂₄
FXR Horn Mount (replica)
37-8350
Red Cap Nuts are replica nuts as used on
rocker shaft ends. Available in popular sizes
for matching engine and transmission, SAE
fine thread only, 10 –32.
VT No. 37-8778
Hex Nuts sold either in zinc or chrome, Nyloc or Standard.
Nyloc features a plastic insert for vibration proof mounting, 20
pack for chrome and 50 pack for zinc.
Chrome Chrome Zinc
Zinc
Standard Nyloc
Standard Nyloc
Size
—
—
39-0166
—
⁶⁄₃₂
—
—
39-0167
—
⁹⁄₃₂
37-8110
37-8119
37-0657
37-0666
¹⁄₄
–
20
37-8111
37-8120
37-0658
37-0667
¹⁄₄
– 28
37-8112
37-8121
37-0659
37-0668
⁵⁄₁₆
– 18
—
37-8121T —
—
⁵⁄₁₆
– 18
37-8113
37-8122
37-0660
37-0669
⁵⁄₁₆
–24
37-8113T 37-8122T —
—
⁵⁄₁₆
–24
37-8114
37-8123
37-0661
37-0670
³⁄₈
– 16
37-8115
37-8124
37-0662
37-0671
³⁄₈
– 24
37-8115T —
—
—
³⁄₈
– 24
37-8116
37-8125
37-0663
37-0672
¹⁄₂
– 20
37-8116T —
—
—
¹⁄₂
– 20
37-8117
37-8126
37-0664
37-0673
⁷⁄₁₆
– 20
37-8117T —
—
—
⁷⁄₁₆
– 20
—
37-8127* —
37-0674
⁵⁄₈
–18
37-8145
—
—
—
⁵⁄₈
–11
*Note: Sold in 10 pack.
Standard
Nyloc
37-8110
37-0657
Acorn Nuts, Fine
Acorn Nuts, Coarse
VT No. Size
U/M
VT No. Size
U/M
6930-5 ¹⁄₄–24 HD
5 pack
6941-5
10–24
5 pack
6931-5
10 –32
5 pack
6942-5
¹⁄₂
–20
5 pack
6932-5 ¹⁄₄–28
5 pack
6943-4
⁵⁄₁₆
–18
4 pack
6943-4T ¹⁵⁄₁₆–18
4 pack
6933-4 ⁵⁄₁₆ –24
4 pack
6944-3
³⁄₈
–16
3 pack
6933-4T ⁵⁄₁₆–24
4 pack
6934-3 ³⁄₈–24
3 pack
6945-2
⁷⁄₁₆
–14
2 pack
6935-2 ⁷⁄₁₆–20
2 pack
6946-1
¹⁄₂
–13 Each
6946-1T ¹⁄₂–13 Each
6936-1 ¹⁄₂–20 Each
6947-1
⁹⁄₁₆
–12
Each
6937-1 ⁹⁄₁₆–18 Each
6948-1* ⁵⁄₈–11 (¹⁵⁄₁₆) Each
6938-1* ⁵⁄₈–18, (¹⁵⁄₁₆) Each
6938-1T* ⁵⁄₈–18, (¹⁵⁄₁₆) Each
6939-1* ³⁄₄–16, (1¹⁄₈) Each
6939-1T* ³⁄₄–16, (1¹⁄₈) Each
37-0889 ³⁄₄–16, (1¹⁄₄) Each
*Note: Hex Size
6930-5
Flexloc Nuts Replicas are all metal, cadmium plated.
VT No. Size
U/M
37-9144 ¹⁰⁄₂₄
10 pack
37-0850 ¹⁰⁄₃₂
10 pack
37-9150 ¹⁄₄–20 10 pack
37-9145 ¹⁄₄–28 Fine
10 pack
12-0571 ⁵⁄₁₆–24 Thin
10 pack
9918-8 ⁵⁄₁₆–24 Thin
8pc
37-0875 ⁵⁄₁₆–18 10 pack
37-0876 ³⁄₈–16 10 pack
37-0047 ³⁄₈–24
5 pack
37-9146 ⁵⁄₁₆–24 10 pack
37-0046 ⁷⁄₁₆–20
5 pack
37-9149 ¹⁄₂–20 10 pack
37-9144
6901-5
Nut
Cap Nuts, Coarse
VT No.
Size
U/M
8425-4
⁵⁄₁₆
–18
4 pack
8426-3
³⁄₈
–16
3 pack
8427-2
⁷⁄₁₆
–14
2 pack
8429-1
⁹⁄₁₆
–12
Each
8430-1* ⁵⁄₈–11, ¹⁵⁄₁₆” Each
*Note: Hex Size
Cap Nuts, Fine
VT No. Size
U/M
8415-5 10–32,
5 pack
8417-4 ⁵⁄₁₆–24
4 pack
8419-2 ⁷⁄₁₆–20
2 pack
8420-1 ¹⁄₂–20 Each
*Note: Hex Size