Part no.Internal ThreadInternal Thread ClassExternal ThreadExternal Thread ClassInsert Material
3320-3.00TWMM3 X 0.56HM6 X 1.06gC12L14 Carbon Steel
3320-4.00TWMM4 X 0.76HM8 X 1.256gC12L14 Carbon Steel
3320-5.00TWMM5 X 0.86HM8 X1.256gC12L14 Carbon Steel
3320-6.00TWMM6 X 1.06HM10 X 1.56gC12L14 Carbon Steel
3320-8.00TWMM8 X 1.256HM12 X 1.756gC12L14 Carbon Steel
3320-10.00TWMM10 X 1.56HM16 X 2.06gC12L14 Carbon Steel
3320-12.00TWMM12 X 1.756HM16 X 2.06gC12L14 Carbon Steel
3320-16.00TWMM16 X 2.06HM24 X 3.06gC12L14 Carbon Steel